Plants Toxic to Dogs

Adam-and-Eve (Arum, Lord-and-Ladies, Wake Robin, Starch Root, Bobbins, Cuckoo Plant) | Scientific Names: Arum maculatum | Family: Araceae

African Wonder Tree () | Scientific Names: Ricinus communis | Family:

Alocasia (Elephant's Ear) | Scientific Names: Alocasia spp. | Family: Araceae

Aloe () | Scientific Names: Aloe vera | Family: Liliaceae

Amaryllis (Many, including: Belladonna lily, Saint Joseph lily, Cape Belladonna, Naked Lady) | Scientific Names: Amaryllis spp. | Family: Amaryllidaceae

Ambrosia Mexicana (Jerusalem Oak, Feather Geranium) | Scientific Names: Chenopodium botrys | Family: Chenopodiaceae

American Bittersweet (Bittersweet, Waxwork, Shrubby Bittersweet, False Bittersweet, Climbing Bittersweet) | Scientific Names: Celastrus scandens | Family: Celastraceae

American Holly (English Holly, European Holly, Oregon Holly, Inkberry, Winterberry) | Scientific Names: Ilex opaca | Family: Aquifoliaceae

American Mandrake (Mayapple, Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry) | Scientific Names: Podophyllum peltatum | Family: Berberidaceae

American Yew (Canada Yew, Canadian Yew) | Scientific Names: Taxus canadensus | Family: Taxaceae

Andromeda Japonica (Pieris, Lily-of-the-Valley Bush) | Scientific Names: Pieris japonica | Family: Ericaceae

Angelica Tree (Hercules' Club, Devil's Walking Stick, Prickly Ash, Prickly Elder) | Scientific Names: Aralia spinosa | Family: Araliaceae

Apple (Includes crabapples) | Scientific Names: Malus sylvestrus | Family: Rosaceae

Apricot (Group also includes Plum, Peach, Cherry) | Scientific Names: Prunus armeniaca | Family: Rosaceae

Arrow-Head Vine (Nephthytis, Green Gold Naphthysis, African Evergreen, Trileaf Wonder) | Scientific Names: Syngonium podophyllum | Family: Araceae

Arum (Cuckoo-pint, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Wake Robin) | Scientific Names: Arum maculatum | Family: Araceae

Arum Lily (Calla Lily, Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Asparagus Fern (Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Lace Fern, Racemose Asparagus, Shatavari) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Australian Ivy Palm (Schefflera, Umbrella Tree, Octopus Tree, Starleaf) | Scientific Names: Brassaia actinophylla | Family: Araliaceae

Australian Nut (Macadamia Nut, Queensland Nut) | Scientific Names: Macadamia integrifolia | Family: Proteaceae

Autumn Crocus (Meadow Saffron) | Scientific Names: Colchicum autumnale | Family: Liliaceae

Azalea (Rosebay, Rhododendron) | Scientific Names: Rhododendron spp | Family: Ericaceae

Baby Doll Ti Plant (Ti-Plant, Good-Luck Plant, Hawaiian Ti Plant) | Scientific Names: Cordyline terminalis | Family: Agavaceae

Barbados Aloe (Medicine Plant, True Aloe) | Scientific Names: Aloe barbadensis | Family: Aloaceae

Barbados Lily (Amaryllis, Fire Lily, Lily of the Palace, Ridderstjerne) | Scientific Names: Hippeastrum spp. | Family: Amaryllidaceae

Barbados Pride (Peacock Flower, Dwarf Poinciana) | Scientific Names: Caesalpinia pulcherrima | Family:

Barbados Pride 2 (Bird of Paradise, Poinciana, Brazilwood) | Scientific Names: Poinciana gilliesii | Family: Leguminosae

Bay Laurel (Sweet Bag, Bay Tree, Tree Laurel, Laurel Tree, Laurel) | Scientific Names: Laurus nobilis | Family: Lauraceae

Bead Tree (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Pride-of-India, Chinaberry Tree) | Scientific Names: Melia azedarach | Family: Meliaceae

Begonia (Over 1,000 species and 10,000 hybrids) | Scientific Names: Begonia spp. | Family: Begoniaceae

Bergamot Orange (Bergamot, Citrus bergamia) | Scientific Names: Citrus Aurantium | Family: Rutaceae

Bird of Paradise (Peacock Flower, Barbados Pride, Poinciana, Pride of Barbados) | Scientific Names: Caesalpinia gilliesii | Family: Leguminosae

Bird of Paradise 2 (Peacock Flower, Barbados Pride, Poinciana, Pride of Barbados) | Scientific Names: Poinciana gilliesii | Family: Leguminosae

Bird of Paradise Flower (Crane Flower, Bird's Tongue Flower) | Scientific Names: Strelitzia reginae | Family: Strelitziaceae

Bird's Tongue Flower (Bird of Paradise Flower, Crane Flower) | Scientific Names: Strelitzia reginae | Family: Strelitziaceae

Bishop’s Weed (Greater Ammi, False Queen Anne's Lace) | Scientific Names: Ammi majus | Family: Apiaceae

Bitter Root (Dogbane Hemp, Indian Hemp) | Scientific Names: Apocynum androsaemifolium | Family: Apocynaceae

Black Calla (Solomon's Lily, Wild Calla, Wild Arum) | Scientific Names: Arum palestinum | Family: Araceae

Black Cherry () | Scientific Names: Prunus serotina | Family: Rosaceae

Black Laurel (Dog Hobble, Dog Laurel, Fetter Bush, Sierra Laurel) | Scientific Names: Leucothoe spp. | Family: Ericaceae

Black Nightshade (Nightshade, Deadly Nightshade) | Scientific Names: Solanum nigrum | Family: Solanaceae

Black Walnut () | Scientific Names: Juglans nigra | Family: Juglandaceae

Bobbins (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Wake Robin, Cuckoo Plant) | Scientific Names: Arum maculatum | Family: Araceae

Bog Laurel (Pale Laurel, Bog Kalmia) | Scientific Names: Kalmia poliifolia | Family: Ericaceae

Borage (Starflower) | Scientific Names: Borage officinalis | Family: Boraginceae

Boxwood () | Scientific Names: Buxus spp. | Family: Buxaceae

Branching Ivy (English Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Brazilwood (Bird of Paradise, Poinciana, Barbados Pride) | Scientific Names: Poinciana gilliesii | Family: Leguminosae

Bread and Butter Plant (Indian Borage, Spanish Thyme, Coleus, Maratha, Militini, East Indian Thyme) | Scientific Names: Coleus ampoinicus | Family: Labiatae

Brunfelsia (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree) | Scientific Names: Brunfelsia species | Family: Solanaceae

Buckeye (Horse Chestnut) | Scientific Names: Aesculus spp | Family: Hippocastanaceae

Buckwheat () | Scientific Names: Fagopyrum spp. | Family: Polygonaceae

Buddhist Pine (Yew Pine, Japanese Yew, Southern Yew, Podocarpus) | Scientific Names: Podocarpus macrophylla | Family: Podocarpaceae

Burning Bush (Wahoo, Spindle Tree) | Scientific Names: Euonymus atropurpurea | Family: Celastraceae

Buttercup (Butter Cress, Figwort) | Scientific Names: Ranunculus spp. | Family: Ranunculaceae

Butterfly Iris (Spuria Iris) | Scientific Names: Iris spuria | Family: Iridaceae

Caladium (Malanga, Elephant's Ears, Stoplight, Seagull, Mother-in-law Plant, Pink Cloud, Texas Wonder, Angel-Wings, Exposition, Candidum, Fancy-leaved Caladium) | Scientific Names: Caladium hortulanum | Family: Araceae

Calamondin Orange () | Scientific Names: Citrus mitis | Family: Rutaceae

California Ivy (Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, English Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Calla Lily (Calla Lily, Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla, Arum Lily) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Cape Jasmine (Gardenia) | Scientific Names: Gardenia jasminoides | Family: Rubiaceae

Caraway (Meridian Fennel, Persian Cumin) | Scientific Names: Carum carvi | Family: Umbelliferae

Cardboard Cycad () | Scientific Names: Zamia furfuracea | Family: Cycadaceae

Cardboard Palm (cycads and zamias) | Scientific Names: Zamia spp. | Family: Cycadaceae

Cardinal Flower (Lobelia, Indian Pink) | Scientific Names: Lobelia cardinalis | Family: Campanulaceae

Carnation (Pinks, Wild Carnation, Sweet William) | Scientific Names: Dianthus caryophyllus | Family: Caryophyllaceae

Castor Bean Plant (Castor Oil Plant, Mole Bean Plant, African Wonder Tree, Castor Bean) | Scientific Names: Ricinus communis | Family: Euphorbiaceae

Ceriman (Cutleaf Philodendron, Hurricane Plant, Swiss Cheese Plant, Mexican Breadfruit) | Scientific Names: Monstera deliciosa | Family: Araceae

Chamomile (Manzanilla, Garden Chamomile, Roman Chamomile, True Chamomile, Corn Feverfew, Barnyard Daisy, Ground-apple, Turkey-weed) | Scientific Names: Anthemis nobilis | Family: Compositae

Chandelier Plant (Mother-In-Law-Plant, Kalanchoe, Devils Backbone, Mother of Millions) | Scientific Names: Kalanchoe tubiflora | Family: Crassulaceae

Charming Dieffenbachia () | Scientific Names: Dieffenbachia amoena | Family: Araceae

Cherry () | Scientific Names: Prunus spp. | Family: Rosaceae

Chinaberry Tree (Bead Tree, China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Pride-of-India) | Scientific Names: Melia azedarach | Family: Meliaceae

Chinese Evergreen () | Scientific Names: Aglaonema modestum | Family: Araceae

Chinese Jade (Silver Jade Plant, Silver Dollar) | Scientific Names: Crassula arborescens | Family: Crassulaceae

Chives () | Scientific Names: Allium schoenoprasum | Family: Amaryllidaceae

Choke Cherry () | Scientific Names: Prunus virginiana | Family: Rosaceae

Christmas Rose (Hellebore, Lenten Rose, Easter Rose) | Scientific Names: Helleborus niger | Family: Ranunculaceae

Chrysanthemum (Daisy, Mum; many varieties) | Scientific Names: Chrysanthemum spp. | Family: Compositae

Clematis (Virgin’s Bower, Leatherflower) | Scientific Names: Clematis spp. | Family: Ranunculaceae

Climbing Bittersweet (Bittersweet, Waxwork, Shrubby Bittersweet, False Bittersweet, Climbing Bittersweet, American Bittersweet) | Scientific Names: Celastrus scandens | Family: Celastraceae

Climbing Lily (Gloriosa Lily, Glory Lily, Superb Lily) | Scientific Names: Gloriosa superba | Family: Liliaceae

Climbing Nightshade (European Bittersweet, Deadly Nightshade, Violet Bloom, Blue Nightshade, Soda Apple, Poisonous Nightshade, Felonwort, Devil's Apple, Scarlet Berry, Woody Nightshade, Blue Blindweed) | Scientific Names: Solanum dulcamara | Family: Solanaceae

Clivia Lily (Kaffir Lily, Clivies, Caffre Lily, Cape Clivia, Klivia) | Scientific Names: Clivia spp. | Family: Amaryllidaceae

Clusia Rosea (Clusia) | Scientific Names: Clusia major | Family: Clusiaceae

Coffee Tree (Wild Coffee, Geranium-Leaf Aralia) | Scientific Names: Polyscias guilfoylei | Family: Araliaceae

Coleus (Indian Borage, Bread and Butter Plant, Spanish Thyme, East Indian Thyme, Stinging Thyme, Country Boarage; many others) | Scientific Names: Coleus ampoinicus | Family: Labiatae

Common Privet (Privet, Amur, Wax-leaf) | Scientific Names: Ligustrum vulgare | Family: Oleaceae

Coontie Palm (Sago Palm, Cardboard Palm, cycads and zamias) | Scientific Names: Zamia pumila | Family: Cycadaceae

Cordatum (Fiddle-Leaf, Horsehead Philodendron, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Red Emerald, Red Princess, Saddle Leaf) | Scientific Names: Philodendron oxycardium | Family: Araceae

Corn Plant (Corn Plant, Cornstalk Plant, Dracaena, Dragon Tree, Ribbon Plant) | Scientific Names: Dracaena fragrans | Family: Asparagaceae

Cornstalk Plant (Corn Plant, Dracaena, Dragon Tree, Ribbon Plant) | Scientific Names: Dracaena fragrans | Family: Agavaceae

Cow parsnip (Giant Hogweed) | Scientific Names: Heracleum maximum | Family: Apiaceae

Cowbane (Water Hemlock, Poison Parsnip) | Scientific Names: Cicuta species | Family: Apiaceae

Cuckoo-pint (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Wake Robin) | Scientific Names: Arum maculatum | Family: Araceae

Cutleaf Philodendron (Hurricane Plant, Swiss Cheese Plant, Ceriman, Mexican Breadfruit, Split-leaf Philodendron, Window Leaf Plant) | Scientific Names: Monstera deliciosa | Family: Araceae

Cycads (Sago Palm, Fern Palm) | Scientific Names: Cycas and Zamia species | Family: Cycadaceae

Cyclamen (Sowbread) | Scientific Names: Cyclamen spp | Family: Primulaceae

Daffodil (Narcissus, Jonquil, Paper White) | Scientific Names: Narcissus spp | Family: Amaryllidaceae

Dahlia (Many varieties) | Scientific Names: Dahlia species | Family: Compositae

Daisy (Chrysanthemum, Mum) | Scientific Names: Chrysanthemum species | Family: Compositae

Deadly Nightshade (Nightshade, Black Nightshade, European Bittersweet, Climbing Nightshade) | Scientific Names: Solanum spp | Family: Solanaceae

Desert Azalea (Desert Rose, Mock Azalea, Sabi Star, Impala Lily, Kudu Lily) | Scientific Names: Adenium obesum | Family: Apocynaceae

Desert Rose (Desert Azalea, Mock Azalea, Sabi Star, Impala Lily, Kudu Lily) | Scientific Names: Adenium obesum | Family: Apocynaceae

Devil's Backbone (Mother-In-Law-Plant, Kalanchoe, Chandelier Plant, Mother of Millions) | Scientific Names: Kalanchoe tubiflora | Family: Crassulaceae

Devils Ivy (Pothos, Golden Pothos, Taro Vine, Ivy Arum) | Scientific Names: Epipremnum aureum | Family: Araceae

Dieffenbachia (Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection) | Scientific Names: Dieffenbachia | Family: Araceae

Dock (Sorrel) | Scientific Names: Rumex sp. | Family: Polygonaceae

Dog Daisy (Dog Fennel) | Scientific Names: Achillea millefolium | Family: Compositae

Dog Hobble (Dog Laurel, Fetter Bush, Black Laurel) | Scientific Names: Leucothoe sp. | Family: Ericaceae

Dogbane Hemp (Bitterroot, Indian Hemp) | Scientific Names: Apocynum spp. | Family: Apocynaceae

Dracaena (Corn Plant, Cornstalk Plant, Dragon Tree, Ribbon Plant) | Scientific Names: Dracaena spp. | Family: Agavaceae

Dumbcane (Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Exotica, Spotted Dumb Cane, Exotica Perfection, Dieffenbachia) | Scientific Names: Dieffenbachia | Family: Araceae

Dwarf Poinciana (Barbados Pride, Peacock Flower) | Scientific Names: Caesalpinia pulcherrima | Family: Fabaceae

Easter Rose (Hellebore, Christmas Rose, Lenten Rose) | Scientific Names: Helleborus niger | Family: Ranunculaceae

Eastern Star () | Scientific Names: Dianthus spp. | Family: Caryophyllaceae

Elephant Ears (Caladium, Taro, Pai, Ape, Cape, Via, Via sori, Malanga) | Scientific Names: Caladium hortulanum | Family: Araceae

Elephant Ears (Caladium, Malanga) | Scientific Names: Colocasia esculenta | Family: Araceae

Elephant-Ear Begonia () | Scientific Names: Begonia scharfii | Family: Begoniaceae

Emerald Feather (Emerald Fern, Asparagus, Asparagus fern, Sprengeri fern, Plumosa fern, Lace fern, Racemose asparagus, Shatavari) | Scientific Names: Asparagus densiflorus | Family: Liliaceae

English Holly (European Holly, Oregon Holly, Inkberry, Winterberry, American Holly) | Scientific Names: Ilex aquifolium | Family: Aquifoliaceae

English Ivy (Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

English Yew (Western Yew, Pacific Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Names: Taxus baccata | Family: Taxaceae

Epazote (Wormseed, Jusuit's Tea, Mexican Tea, Paico) | Scientific Names: Chenopodium ambrosioides | Family: Chenopodiaceae

Eucalyptus (Many cultivars) | Scientific Names: Eucalyptus species | Family: Myrtaceae

European Bittersweet (Climbing Nightshade, Deadly Nightshade) | Scientific Names: Solanum dulcamara | Family: Solanaceae

European Holly (European Holly, Oregon Holly, Inkberry, Winterberry, American Holly, English Holly) | Scientific Names: Ilex aquifolium | Family: Aquifoliaceae

Everlasting Pea (Sweet Pea, Perennial Pea) | Scientific Names: Lathyrus latifolius | Family: Fabaceae

Exotica (Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Spotted Dumb Cane, Exotica Perfection, Dieffenbachia) | Scientific Names: Dieffenbachia amoena | Family: Araceae

False Bittersweet (American Bittersweet) | Scientific Names: Celastrus scandens | Family: Celastraceae

False Queen Anne’s Lace (Bishop's Weed, Greater Ammi) | Scientific Names: Ammi majus | Family: Apiaceae

Feather Geranium (Jerusalem Oak, Ambrosia Mexicana) | Scientific Names: Ambrosia mexicana | Family: Chenopodiaceae

Fern Palm (Sago Palm, Cycads) | Scientific Names: Zamia spp. | Family: Cycadaceae

Fetter Bush (Dog Laurel, Dog Hobble, Black Laurel) | Scientific Names: Leucothoe spp. | Family: Ericaceae

Fetterbush (Staggerberry, Maleberry) | Scientific Names: Lyonia spp. | Family: Ericaceae

Fiddle-Leaf (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Red Emerald, Red Princess, Saddle Leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Fig (Weeping Fig, Indian Rubber Plant) | Scientific Names: Ficus benjamina | Family: Moraceae

Figwort (Buttercup, Butter Cress, Burwort, Crowfoot burwort) | Scientific Names: Ranunculus acris | Family: Ranunculaceae

Fire Lily (Amaryllis, Barbados Lily, Lily of the Palace, Ridderstjerne) | Scientific Names: Hippeastrum spp. | Family: Amaryllidaceae

Flag (Iris, Snake Lily, Water Flag) | Scientific Names: Iris species | Family: Iridaceae

Flamingo Flower (Flamingo Lily, Tail Flower, Oilcloth Flower, Pigtail Plant, Painter's Pallet) | Scientific Names: Anthurium scherzeranum | Family: Araceae

Fleabane (Showy Daisy, Horseweed, Seaside Daisy) | Scientific Names: Erigeron speciosus | Family: Asteraceae

Florida Beauty (Gold Dust Dracaena, Spotted Dracaena) | Scientific Names: Dracaena surculosa | Family: Asparagaceae

Florist's Calla (Calla Lily, Pig Lily, White Arum, Trumpet Lily, Arum Lily, Garden Calla, Arum Lily) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Foxglove () | Scientific Names: Digitalis purpurea | Family: Scrophalariaceae

Franciscan Rain Tree (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Kiss-Me-Quick) | Scientific Names: Brunfelsia species | Family: Solanaceae

Garden Calla (Calla Lily, Pig Lily, White Arum, Trumpet Lily, Florist's Calla, Arum Lily) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Garden Chamomile (Chamomile, Ground Apple, Roman Chamomile) | Scientific Names: Anthemis nobilis | Family: Asteraceae

Garden Hyacinth (Hyacinth) | Scientific Names: Hyacinthus orientalis | Family: Liliaceae

Gardenia (Cape Jasmine) | Scientific Names: Gardenia jasminoides | Family: Rubiaceae

Garlic (Stinking Rose, Rustic Treacle, Camphor of the Poor, Nectar of the Gods, Serpent Garlic, Rocambole) | Scientific Names: Allium sativum | Family: Liliaceae

Geranium (Many cultivars) | Scientific Names: Pelargonium species | Family: Geraniaceae

Geranium-Leaf Aralia (Wild Coffee, Coffee Tree) | Scientific Names: Polyscias guilfoylei | Family: Araliaceae

Giant Dracaena (Palm Lily, Grass Palm) | Scientific Names: Cordyline australis | Family: Agavaceae

Giant Dumb Cane (Charming Dieffenbachia, Tropic Snow, Dumbcane, Exotica, Spotted Dumb Cane, Exotica Perfection, Dieffenbachia) | Scientific Names: Dieffenbachia amoena | Family: Araceae

Giant Hogweed (Cow Parsnip) | Scientific Names: Heracleum maximum | Family: Apiaceae

Glacier Ivy (English Ivy, Branching Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Gladiola (Many cultivars) | Scientific Names: Gladiolus species | Family: Iridaceae

Gloriosa Lily (Glory Lily, Climbing Lily, Superb Lily) | Scientific Names: Gloriosa superba | Family: Liliaceae

Gold Dieffenbachia () | Scientific Names: Dieffenbachia picta | Family: Araceae

Gold Dust Dracaena (Florida Beauty) | Scientific Names: Dracaena surculosa | Family: Agavaceae

Golden Birds Nest (Snake Plant, Mother-in-Law’s Tongue, Good Luck Plant) | Scientific Names: Sansevieria trifasciata | Family: Agavaceae

Golden Pothos (Pothos, Devil's Ivy, Taro Vine, Ivy Arum) | Scientific Names: Epipremnum aureum | Family: Araceae

Golden Ragwort (Ragwort) | Scientific Names: Senecio species | Family: Compositae

Good Luck Plant (Shamrock Plant, Sorrel) | Scientific Names: Oxalis spp. | Family:

Grapefruit () | Scientific Names: Citrus paradisii | Family: Rutaceae

Grass Palm (Giant Dracaena, Palm Lily) | Scientific Names: Cordyline australis | Family: Agavaceae

Greater Ammi (Bishop's Weed, False Queen Anne's Lace) | Scientific Names: Ammi majus | Family: Apiaceae

Green Gold Naphthysis (Nephthytis, Arrow-Head Vine) | Scientific Names: Syngonium podophyllum | Family: Araceae

Ground Apple (Chamomile, Garden Chamomile, Roman Chamomile) | Scientific Names: Anthemis nobilis | Family: Asteraceae

Groundsel (Ragwort, Senecio) | Scientific Names: Senecio species | Family: Compositae

Hahn's Self Branching English Ivy (Branching Ivy, Glacier Ivy, Needlepoint Ivy, Sweetheart Ivy, California Ivy, English Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Hashish (Marijuana, Indian Hemp) | Scientific Names: Cannabis sativa | Family: Cannabaceae

Hawaiian Ti (Snake Plant, Giant Dracaena) | Scientific Names: Giant Dracaena | Family: Agavaceae

Heartleaf Philodendron (Cordatum, Sweetheart Plant) | Scientific Names: Philodendron hederaceum | Family: Araceae

Heavenly Bamboo (Sacred Bamboo, Nandina) | Scientific Names: Nandina domestica | Family: Berberidaceae

Hellebore (Christmas Rose, Lenten Rose, Easter Rose) | Scientific Names: Helleborus niger | Family: Ranunculaceae

Hercules' Club (Angelica Tree, Devil's Walking Stick, Prickly Ash, Prickly Elder) | Scientific Names: Aralia spinosa | Family: Araliaceae

Hills of Snow (Hydrangea, Hortensia, Seven Bark) | Scientific Names: Hydrangea arborescens | Family: Hydrangeaceae

Holly (English Holly, European Holly, Oregon Holly, Inkberry, Winterberry, American Holly) | Scientific Names: Ilex opaca | Family: Aquifoliaceae

Hops () | Scientific Names: Humulus lupulus | Family: Cannabidaceae

Horse Chestnut (Buckeye) | Scientific Names: Aesculus glabra | Family: Hippocastanaceae

Horsehead Philodendron (Horsehead Philodendron, Lacy Tree Philodendron, Selloum, Violin Philodendron, and Fiddle Leaf Philodendron) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Horseweed (Showy Daisy, Fleabane, Seaside Daisy) | Scientific Names: Erigeron speciosus | Family: Asteraceae

Hortensia (Hydrangea, Hills of Snow, Seven Bark) | Scientific Names: Hydrangea arborescens | Family: Hydrangeaceae

Hosta (Plantain Lily, Funkia) | Scientific Names: Hosta plataginea | Family: Liliaceae

Hurricane Plant (Cutleaf Philodendron, Swiss Cheese Plant, Ceriman, Mexican Breadfruit) | Scientific Names: Monstera deliciosa | Family: Araceae

Hyacinth () | Scientific Names: Hyacinthus orientalis | Family: Liliaceae

Hydrangea (Hortensia, Hills of Snow, Seven Bark) | Scientific Names: Hydrangea arborescens | Family: Hydrangeaceae

Impala Lily (Desert Rose, Mock Azalea, Sabi Star, Desert Azalea, Kudu Lily) | Scientific Names: Adenium obesum | Family: Apocynaceae

Inch Plant (Speedy Henry) | Scientific Names: Tradescantia flumeninsis | Family: Commelinaceae

Indian Apple (Mayapple, Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Names: Podophyllum peltatum | Family: Berberidaceae

Indian Borage (Bread and Butter Plant, Country Borage, Spanish Thyme, Coleus, Maratha, Militini, East Indian Thyme) | Scientific Names: Coleus ampoinicus | Family: Labiatae

Indian Hemp (Dogbane Hemp, Bitter Root) | Scientific Names: Apocynum androsaemifolium | Family: Apocynaceae

Indian Hemp (Marijuana, Hashish) | Scientific Names: Cannabis sativa | Family: Cannabaceae

Indian Pink (Lobelia, Cardinal Flower) | Scientific Names: Lobelia cardinalis | Family: Campanulaceae

Indian Rubber Plant (Fig, Weeping Fig) | Scientific Names: Ficus benjamina | Family: Moraceae

Inkberry (English Holly, European Holly, Oregon Holly, American Holly, Winterberry) | Scientific Names: Ilex opaca | Family: Aquifoliaceae

Iris (Flag, Snake Lily, Water Flag) | Scientific Names: Iris species | Family: Iridaceae

Iron Cross Begonia () | Scientific Names: Begonia masoniana | Family:

Ivy Arum (Pothos, Golden Pothos, Taro Vine, Devil's Ivy) | Scientific Names: Epipremnum aureum | Family: Araceae

Jack-in-the-pulpit (Three-leaved indian turnip, Devil's dear, Wake robin, Starch wort, Wild turnip, Dragon root, Bog onion, Pepper turnip, Brown dragon, Memory root) | Scientific Names: Arisaema triphyllum | Family: Araceae

Jade Plant (Baby Jade, Dwarf rubber plant, Jade tree, Chinese rubber plant, Japanese rubber plant) | Scientific Names: Crassula argentea | Family: Crassulaceae

Japanese Yew (English Yew, Western Yew, Pacific Yew, Anglo-Japanese Yew) | Scientific Names: Taxus sp. | Family: Taxaceae

Jerusalem Cherry (Natal cherry, Winter cherry) | Scientific Names: Solanum pseudocapsicum | Family: Solanaceae

Jerusalem Oak (Feather Geranium, Ambrosia Mexicana) | Scientific Names: Ambrosia mexicana | Family: Chenopodiaceae

Jonquil (Daffodil, Narcissus, Paper White) | Scientific Names: Narcissus jonquilla | Family: Amaryllidaceae

Kaffir Lily (Clivia Lily) | Scientific Names: Clivia minata | Family: Amaryllidaceae

Kalanchoe (Mother-In-Law-Plant, Devils Backbone, Chandelier Plant, Mother of Millions) | Scientific Names: Kalanchoe spp | Family: Crassulaceae

Kiss-me-quick (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Fransiscan Rain Tree) | Scientific Names: Brunfelsia species | Family: Solanaceae

Klamath Weed (St. John's Wort) | Scientific Names: Hypericum perforatum | Family: Clusiaceae

Kudu Lily (Desert Azalea, Mock Azalea, Sabi Star, Impala Lily, Desert Rose) | Scientific Names: Adenium obesum | Family: Apocynaceae

Lace Fern (Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Asparagus Fern, Racemose Asparagus, Shatavari) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Lacy Tree Philodendron () | Scientific Names: Philodendron selloum | Family: Araceae

Lady-of-the-night (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Morning-Noon-and-Night, Fransiscan Rain Tree) | Scientific Names: Brunfelsia species | Family: Solanaceae

Lambkill (Sheep Laurel) | Scientific Names: Kalmia augustifolia | Family: Ericaceae

Lantana (Shrub Verbena, Yellow Sage, Red Sage) | Scientific Names: Lantana camara | Family: Verbenaceae

Larkspur () | Scientific Names: Delphinium species | Family: Ranunculaceae

Laurel (Mountain laurel, Spoonwood, Mountain Ivy, Calico Bush, Ivy Bush) | Scientific Names: Kalmia latifolia | Family: Ericaceae

Lavender (Common Lavender, English Lavender) | Scientific Names: Lavendula angustifolia | Family: Lamiaceae

Leatherflower (Clematis, Virgin's Bower) | Scientific Names: Clematis sp. | Family: Ranunculaceae

Leek (Elephant Garlic) | Scientific Names: Allium ampeloprasum | Family: Liliaceae

Lemon () | Scientific Names: Citrus limonia | Family: Rutaceae

Lemon Grass (Oil Grass) | Scientific Names: Cymbopogon citratus | Family: Poaceae

Lemon Verbena (Lemon Beebrush) | Scientific Names: Aloysia triphylla | Family: Verbenaceae

Lenten Rose (Hellebore, Christmas Rose, Easter Rose) | Scientific Names: Helleborus niger | Family: Ranunculaceae

Lily of the Palace (Amaryllis, Fire Lily, Barbados Lily, Ridderstjerne) | Scientific Names: Hippeastrum spp. | Family: Amaryllidaceae

Lily of the Valley () | Scientific Names: Convallaria majalis | Family: Asparagaceae

Lily-of-the-Valley Bush (Andromeda Japonica, Pieris) | Scientific Names: Pieris japonica | Family: Ericaceae

Lime () | Scientific Names: Citrus aurantifolia | Family: Rutaceae

Lobelia (Cardinal Flower, Indian Pink) | Scientific Names: Lobelia cardinalis | Family: Campanulaceae

Locust () | Scientific Names: Robinia spp. | Family: Mimosaceae

Lord-and-Ladies (Arum, Wake Robin, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant) | Scientific Names: Arum maculatum | Family: Araceae

Lovage (Maggi plant, Smellage) | Scientific Names: Levisticum officinale | Family: Apiaceae

Macadamia Nut (Australia Nut, Queensland Nut) | Scientific Names: Macadamia integrifolia | Family: Proteaceae

Madagascar Dragon Tree () | Scientific Names: Dracaena marginata | Family: Asparagaceae

Maidens Breath (Baby's Breath) | Scientific Names: Gypsophila elegans | Family: Caryophyllaceae

Malanga (Caladium, Elephant's Ears) | Scientific Names: Colocasia esculenta | Family: Araceae

Maleberry (Staggerbush, Fetterbush) | Scientific Names: Lyonia sp. | Family: Ericaceae

Mapleleaf Begonia () | Scientific Names: Begonia cleopatra | Family: Begoniaceae

Marble Queen (Golden Pothos) | Scientific Names: Scindapsus aureus | Family: Araceae

Marijuana (Indian Hemp, Hashish) | Scientific Names: Cannabis sativa | Family: Cannabaceae

Marjoram (Knotted Marjoram, Pot Marjoram) | Scientific Names: Origanum majorana | Family: Lamiaceae

Mauna Loa Peace Lily (Peace Lily) | Scientific Names: Spathiphyllum | Family: Araceae

Mayapple (Indian Apple Root, Umbrella Leaf, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Names: Podophyllum peltatum | Family: Berberidaceae

Mayweed (Poison Daisy, Stinking Chamomile) | Scientific Names: Anthemis cotula | Family: Asteraceae

Meadow Saffron (Autumn Crocus) | Scientific Names: Colchicum autumnale | Family: Liliaceae

Medicine Plant (Aloe, True Aloe, Barbados Aloe) | Scientific Names: | Family: Aloaceae

Metallic Leaf Begonia () | Scientific Names: Begonia metallica | Family: Begoniaceae

Mexican Breadfruit (Cutleaf Philodendron, Hurricane Plant, Swiss Cheese Plant, Ceriman, Split-leaf Philodendron, Window Leaf Plant) | Scientific Names: Monstera deliciosa | Family: Araceae

Milfoil (Yarrow) | Scientific Names: Achillea millefolium | Family: Asteraceae

Milkweed () | Scientific Names: Asclepias species | Family: Asclepiadaceae

Mint (Garden Mint) | Scientific Names: Mentha sp. | Family: Lamiaceae

Mistletoe "American" (American Mistletoe) | Scientific Names: Phoradendron flavescens | Family: Viscaceae

Mock Azalea (Desert Rose, Desert Azalea, Sabi Star, Impala Lily, Kudu Lily) | Scientific Names: Adenium obesum | Family: Apocynaceae

Mole Bean Plant () | Scientific Names: Ricinus communis | Family: Euphobiaceae

Morning Glory () | Scientific Names: Ipomoea spp | Family: Convolvulaceae

Morning-Noon-and-Night (Yesterday, Today, Tomorrow, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree) | Scientific Names: Brunfelsia species | Family: Solanaceae

Moss Rose (Wild Portulaca, Rock Moss, Purslane, Pigwee, Pusley) | Scientific Names: Portulaca oleracea | Family: Portulacaceae

Mother of Millions (Mother-In-Law-Plant, Kalanchoe, Devils Backbone, Chandelier Plant) | Scientific Names: Kalanchoe tubiflora | Family: Crassulaceae

Mother-in-Law () | Scientific Names: Monstera deliciosa | Family: Araceae

Mother-In-Law Plant (Mother of Millions, Kalanchoe, Devils Backbone, Chandelier Plant) | Scientific Names: Kalanchoe tubiflora | Family: Crassulaceae

Mother-in-Law’s Tongue (Snake Plant, Golden Bird's Nest, Good Luck Plant) | Scientific Names: Sansevieria trifasciata | Family: Agavaceae

Mum (Chrysanthemum, Daisy) | Scientific Names: Chrysanthemum spp. | Family: Compositae

Naked Lady () | Scientific Names: Amaryllis spp. | Family: Amaryllidaceae

Nandina (Sacred Bamboo, Heavenly Bamboo) | Scientific Names: Nandina domestica | Family: Berberidaceae

Narcissus (Daffodil, Jonquil, Paper White) | Scientific Names: Narcissus spp | Family: Amaryllidaceae

Nasturtium (Watercress) (Watercress, Brunnenkress) | Scientific Names: Nasturtium officinale | Family: Brassicaceae

Needlepoint Ivy (Branching Ivy, Glacier Ivy, English Ivy, Sweetheart Ivy, California Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Nephthytis (Arrow-Head Vine, Green Gold Naphthysis, African Evergreen, Trileaf Wonder) | Scientific Names: Syngonium podophyllum | Family: Araceae

Nicotiana (Tree Tobacco, Tobacco, Mustard Tree) | Scientific Names: Nicotiana glauca | Family: Solanaceae

Nightshade (Deadly Nightshade, Black Nightshade) | Scientific Names: Solanum spp | Family: Solanaceae

Octopus Tree (Schefflera, Umbrella Tree, Australian Ivy Palm, Starleaf) | Scientific Names: Schefflera or Brassia actinoplylla | Family: Araliaceae

Oilcloth Flower (Flamingo Plant, Flamingo Lily, Tail Flower, Pigtail Plant, Flamingo Flower, Painter's Pallet) | Scientific Names: Anthurium scherzeranum | Family: Araceae

Oleander (Rose-Bay) | Scientific Names: Nerium oleander | Family: Apocynaceae

Onion () | Scientific Names: Allium cepa | Family: Liliaceae

Orange () | Scientific Names: Citrus sinensis | Family: Rutaceae

Oregano (Greek Oregano) | Scientific Names: Origanum vulgare hirtum | Family: Lamiaceae

Oregon Holly (English Holly, European Holly, Inkberry, American Holly, Winterberry) | Scientific Names: Ilex opaca | Family: Aquifoliaceae

Ornamental Pepper (Natal Cherry, Winter Cherry, Jerusalem Cherry) | Scientific Names: Solanum pseudocapsicum | Family: Solanaceae

Pacific Yew (English Yew, Western Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Names: Taxus brevifolia | Family: Taxaceae

Painter's Pallette (Flamingo Plant, Flamingo Lily, Tail Flower, Oilcloth Flower, Pigtail Plant, Flamingo Flower) | Scientific Names: Anthurium scherzeranum | Family: Araceae

Palm Lily (Giant Dracaena, Grass palm) | Scientific Names: Cordyline australis | Family: Agavaceae

Panda Plant (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Red Emerald, Red Princess, Saddle Leaf , Fiddle-leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Paper White (Daffodil, Jonquil, Narcissus) | Scientific Names: Narcissus spp | Family: Amaryllidaceae

Paraguayan Jasmine (Yesterday, Today, Tomorrow, Lady-of-the-Night, Morning-Noon-and-Night, Kiss-Me-Quick , Fransiscan Rain Tree) | Scientific Names: Brunfelsia species | Family: Solanaceae

Parsley (Italian Parsley, Hamburg Parsley, Turnip-rooted Parsley) | Scientific Names: Petroselinum crispum | Family: Apiaceae

Peace Begonia () | Scientific Names: Begonia rex 'peace' | Family: Begoniaceae

Peace Lily (Mauna Loa Peace Lily) | Scientific Names: Spathiphyllum | Family: Araceae

Peach (Similar plants: Plum, Apricot, Cherry) | Scientific Names: Prunus persica | Family: Rosaceae

Peacock Flower (Barbados Pride, Dwarf Poinciana) | Scientific Names: Caesalpinia pulcherrima | Family: Fabaceae

Pencil Cactus (Sticks of Fire) | Scientific Names: Euphorbia tirucalli | Family: Euphorbiaceae

Peony () | Scientific Names: Paeonis officinalis | Family: Paeniaceae

Perennial Pea (Sweet Pea, Everlasting Pea) | Scientific Names: Lathyrus latifolius | Family: Fabaceae

Periwinkle (Running Myrtle. Vinca) | Scientific Names: Vinca rosea | Family: Apocynaceae

Philodendron Pertusum () | Scientific Names: Philodendron spp | Family: Araceae

Pie Plant (Rhubarb) | Scientific Names: Rheum rhabarbarium | Family: Polygonaceae

Pieris (Lily-of-the-Valley Bush, Andromeda Japonica, Fetterbush) | Scientific Names: Pieris japonica | Family: Ericaceae

Pig Lily (Calla Lily, Arum Lily, White Arum, Trumpet Lily, Florist's Calla, Garden Calla) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Pigtail Plant (Flamingo Plant, Flamingo Lily, Tail Flower, Oilcloth Flower, Painter's Pallet, Flamingo Flower) | Scientific Names: Anthurium scherzeranum | Family: Araceae

Pink Pearl () | Scientific Names: Begonia semperflorens cultivar | Family: Begoniaceae

Pinks (Carnation, Wild Carnation, Sweet William) | Scientific Names: Dianthus caryophyllus | Family: Caryophyllaceae

Plantain Lily (Hosta) | Scientific Names: Hosta plantaginea | Family: Liliaceae

Plum (similar plants: apricot, peach, cherry) | Scientific Names: Prunus domestica | Family: Rosaceae

Plumosa Fern (Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Asparagus Fern, Lace Fern, Racemose Asparagus, Shatavari) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Poinciana (Peacock Flower, Bird of Paradise, Barbados Pride, Pride of Barbados) | Scientific Names: Caesalpinia gilliessi | Family: Leguminosae

Poinsettia () | Scientific Names: Euphorbia pulcherrima | Family: Euphorbiaceae

Poison Daisy (Mayweed, Stinking Chamomile) | Scientific Names: Anthemis cotula | Family: Asteraceae

Poison Hemlock (Poison Parsley, Spotted Hemlock, Winter Fern, California Fern, Nebraska Fern, Deadly Hemlock) | Scientific Names: Conium maculatum | Family: Umbelliferae

Poison Parsnip (water hemlock, cowbane) | Scientific Names: Cicuta maculata | Family: Apiaceae

Portulaca (Wild Portulaca, Rock Moss, Purslane, Pigwee, Pusley, Moss Rose) | Scientific Names: Portulaca oleracea | Family: Portulacaceae

Prayer Bean (Rosary Pea, Buddhist Rosary Bead, Indian Bead, Indian Licorice, Love Bean, Lucky Bean, Seminole Bead, Weather Plant, Precatory Bean) | Scientific Names: Abrus precatorius | Family: Leguminosae

Pride-of-India (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Texas Umbrella Tree, Bead Tree, Chinaberry Tree) | Scientific Names: Melia azedarach | Family: Meliaceae

Primrose () | Scientific Names: Primula vulgaris | Family: Primulaceae

Privet (amur, wax-leaf, common privet) | Scientific Names: Ligustrum japonicum | Family: Oleaceae

Purslane (Wild Portulaca, Rock Moss, Portulaca, Pigwee, Pusley, Moss Rose) | Scientific Names: Portulaca oleracea | Family: Portulacaceae

Queensland Nut (Macadamia Nut, Australia Nut) | Scientific Names: Macadamia integrifolia | Family: Proteaceae

Racemose asparagus (Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Lace Fern, Asparagus Fern, Shatavari) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Ragwort (Golden Ragwort, Tansy) | Scientific Names: Senecio species | Family: Compositae

Ranger's Button (White Heads) | Scientific Names: Sphenosciadium capitellatum | Family: Apiaceae

Red Emerald (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Fiddle Leaf, Red Princess, Saddle Leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Red Princess (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Fiddle Leaf, Red Emerald, Saddle Leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Red-Marginated Dracaena (straight-marginated dracaena) | Scientific Names: Dracaena marginata | Family: Agavaceae

Rex Begonia () | Scientific Names: Begonia rex | Family: Begoniaceae

Rhododendron (Rosebay, Azalea) | Scientific Names: Rhododendron spp | Family: Ericaceae

Rhubarb (Pie Plant) | Scientific Names: Rheum rhabarbarium | Family: Polygonaceae

Ribbon Plant (Corn Plant, Cornstalk Plant, Dracaena, Dragon Tree) | Scientific Names: Dracaena spp. | Family: Agavaceae

Ridderstjerne (Amaryllis, Fire Lily, Lily of the Palace, Barbados Lily) | Scientific Names: Hippeastrum spp. | Family: Amaryllidaceae

Rock Moss (Wild Portulaca, Moss Rose, Purslane, Pigwee, Pusley) | Scientific Names: Portulaca oleracea | Family: Portulacaceae

Roman Chamomile (Chamomile, Garden Chamomile, Ground Apple) | Scientific Names: Anthemis nobilis | Family: Asteraceae

Rosebay (Rhododendron, Azalea) | Scientific Names: Rhododendron spp | Family: Ericaceae

Running Myrtle (Periwinkle, Vinca) | Scientific Names: Vinca rosea | Family: Apocynaceae

Sabi Star (Desert Azalea, Mock Azalea, Desert Rose, Impala Lily, Kudu Lily) | Scientific Names: Adenium obesum | Family: Apocynaceae

Sacred Bamboo (Heavenly Bamboo, Nandina) | Scientific Names: Nandina domestica | Family: Berberidaceae

Saddle Leaf (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Split Leaf Philodendron, Fruit Salad Plant, Red Emerald, Red Princess, Fiddle Leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Sago Palm (Coontie Palm, Cardboard Palm, cycads and zamias) | Scientific Names: Cycas revoluta, zamia species | Family: Cycadaceae

Satin Pothos (Silk Pothos) | Scientific Names: Scindapsus pictus | Family: Araceae

Scented Geranium (Geraniums) | Scientific Names: Pelargonium sp. | Family: Geranilea

Schefflera (Umbrella Tree, Australian Ivy Palm, Octopus Tree, Starleaf) | Scientific Names: Schefflera | Family: Araliaceae

Seaside Daisy (Showy Daisy, Horseweed, Fleabane) | Scientific Names: Erigeron speciosus | Family: Asteraceae

Seven Bark (Hydrangea, Hortensia, Hills of Snow) | Scientific Names: Hydrangea arborescens | Family: Hydrangeaceae

Shamrock Plant (Good Luck Plant, Sorrel) | Scientific Names: Oxalis spp. | Family: Oxalidaceae

Shatavari (Asparagus, Emerald Feather, Emerald Fern, Sprengeri Fern, Plumosa Fern, Lace Fern, Racemose Asparagus) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Showy Daisy (Seaside Daisy, Horseweed, Fleabane) | Scientific Names: Erigeron speciosus | Family: Asteraceae

Silver Dollar (Silver Jade Plant, Chinese Jade) | Scientific Names: Crassula arborescens | Family: Crassulaceae

Silver Jade Plant (Chinese Jade, Silver Dollar) | Scientific Names: Crassula arborescens | Family: Crassulaceae

Skunk Cabbage (Skunk Weed, Polecat Weed, Meadow Cabbage, Swamp Cabbage) | Scientific Names: Symplocarpus foetidus | Family: Araceae

Snake Lilly (Iris, Flag, Water Flag) | Scientific Names: Iris species | Family: Iridaceae

Snake Plant (Golden Bird's Nest, Mother-in-Law’s Tongue, Good Luck Plant) | Scientific Names: Sansevieria trifasciata | Family: Agavaceae

Solomon’s Lily (Black Calla, Wild Calla, Wild Arum) | Scientific Names: Arum palestinum | Family: Araceae

Sorrel (Common Sorrel, Spinach-Dock, Narrow-leaved Dock, Garden sorrel) | Scientific Names: Rumex scutatus | Family: Polygonaceae

Sowbread (Cyclamen) | Scientific Names: Cyclamen spp | Family: Primulaceae

Spanish Thyme (Indian Borage, Bread and Butter Plant, Coleus, East Indian Thyme, Stinging Thyme, Country Boarage; many others) | Scientific Names: Coleus ampoinicus | Family: Labiatae

Spindle Tree (Wahoo, Burning Bush) | Scientific Names: Euonymus atropurpurea | Family: Celastraceae

Split Leaf Philodendron (Horsehead Philodendron, Cordatum, Heartleaf Philodendron, Panda Plant, Fiddle-Leaf, Fruit Salad Plant, Red Emerald, Red Princess, Saddle Leaf) | Scientific Names: Philodendron bipennifolium | Family: Araceae

Spotted Dumb Cane (Charming Dieffenbachia, Giant Dumb Cane, Tropic Snow, Dumbcane, Exotica, Exotica Perfection, Dieffenbachia) | Scientific Names: Dieffenbachia amoena | Family: Araceae

Sprengeri Fern (Asparagus, Emerald Feather, Emerald Fern, Plumosa Fern, Lace Fern, Racemose Asparagus, Shatavari) | Scientific Names: Asparagus densiflorus cv sprengeri | Family: Liliaceae

Spring Parsley () | Scientific Names: Cymopterus watsonii | Family: Apiaceae

St. John’s Wort (Klamath Weed) | Scientific Names: Hypericum perforatum | Family: Clusiaceae

Staggerbush (Fetterbush, Maleberry) | Scientific Names: Lyonia sp. | Family: Ericaceae

Starch Root (Arum, Lord-and-Ladies, Adam-and-Eve, Wake Robin, Bobbins, Cuckoo Plant) | Scientific Names: Arum maculatum | Family: Araceae

Starleaf (Schefflera, Umbrella Tree, Octopus Tree, Australian Ivy Palm) | Scientific Names: Brassaia actinophylla | Family: Araliaceae

Stinking Chamomile (Mayweed, Poison Daisy) | Scientific Names: Anthemis cotula | Family: Asteraceae

Straight-Margined Dracaena (red-margined dracaena) | Scientific Names: Dracaena marginata | Family: Agavaceae

Striped Dracaena (warneckii, janet craig plant) | Scientific Names: Dracaena deremensis | Family: Agavaceae

Superb Lily (Glory Lily, Climbing Lily, Gloriosa Lily) | Scientific Names: Gloriosa superba | Family: Liliaceae

Sweet Cherry () | Scientific Names: Prunus avium | Family: Rosaceae

Sweet William (Carnation, Wild Carnation, Pinks) | Scientific Names: Dianthus caryophyllus | Family: Caryophyllaceae

Sweetheart Ivy (English Ivy, Glacier Ivy, Needlepoint Ivy, Branching Ivy, California Ivy) | Scientific Names: Hedera helix | Family: Araliaceae

Swiss Cheese Plant (Cutleaf Philodendron, Hurricane Plant, Ceriman, Mexican Breadfruit) | Scientific Names: Monstera deliciosa | Family: Araceae

Tahitian Bridal Veil (Gibasis Geniculata) | Scientific Names: tradescantia multiflora | Family: Commelinaceae

Tail Flower (Flamingo Plant, Flamingo Lily, Oilcloth Flower, Pigtail Plant, Painter's Pallet) | Scientific Names: Anthurium scherzeranum | Family: Araceae

Taro (Caladium, Elephant Ears, Pai, Ape, Cape, Via, Via sori, Malanga) | Scientific Names: Caladium hortulanum | Family: Araceae

Taro (Caladium, Elephant's Ears, Malanga) | Scientific Names: Colocasia esculenta | Family: Araceae

Taro Vine (Golden Pothos, Devil's Ivy, Devil's Vine, Ivy Arum) | Scientific Names: Epipremnum aureum | Family: Araceae

Tarragon (French Tarragon, Estragon) | Scientific Names: Artemisia dracunculus | Family: Asteraceae

Texas Umbrella Tree (China Ball Tree, Paradise Tree, Persian Lilac, White Cedar, Japanese Bead Tree, Bead Tree, Pride-of-India, Chinaberry Tree) | Scientific Names: Melia azedarach | Family: Meliaceae

Ti-Plant (Baby Doll Ti Plant, Hawaiian Ti Plant) | Scientific Names: Cordyline terminalis | Family: Agavaceae

Tobacco (Tree Tobacco, Nicotiana, Mustard Tree) | Scientific Names: Nicotiana glauca | Family: Solanaceae

Tomato Plant () | Scientific Names: Lycopersicon spp | Family: Solanaceae

Tree Philodendron () | Scientific Names: Philodendron selloum | Family: Araceae

Tree Tobacco (Nicotania, Tobacco, Mustard Tree) | Scientific Names: Nicotiana glauca | Family: Solanaceae

Tropic Snow (Charming Dieffenbachia, Giant Dumb Cane, Dumbcane, Exotica, Exotica Perfection, Dieffenbachia) | Scientific Names: Dieffenbachia amoena | Family: Araceae

True Aloe (Medicine Plant, Aloe, Barbados Aloe) | Scientific Names: Aloe barbadensis | Family: Aloaceae

Trumpet Lily (Calla Lily, Pig Lily, White Arum, Arum Lily, Florist's Calla, Garden Calla, Arum Lily) | Scientific Names: Zantedeschia aethiopica | Family: Araceae

Tulip () | Scientific Names: Tulipa spp. | Family: Liliaceae

Umbrella Leaf (Indian Apple Root, American Mandrake, Wild Lemon, Hog Apple, Duck's Foot, Raccoonberry, American Mandrake) | Scientific Names: Podophyllum peltatum | Family: Berberidaceae

Umbrella Tree (Schefflera, Australian Ivy Palm, Octopus Tree, Starleaf) | Scientific Names: Brassaia actinophylla | Family: Araliaceae

Variable Dieffenbachia () | Scientific Names: Dieffenbachia picta | Family: Araceae

Variegated Inch Plant (Speedy Henry) | Scientific Names: Tradescantia flumeninsis | Family: Commelinaceae

Variegated Laurel (speedy henry) | Scientific Names: Tradescantia flumeninsis | Family: Commelinaceae

Variegated Philodendron () | Scientific Names: Scindapsus, Philodendron spp | Family: Araceae

Vinca (Periwinkle, Running Myrtle) | Scientific Names: Vinca rosea | Family: Apocynaceae

Virgin's Bower (Clematis, Leatherflower) | Scientific Names: Clematis sp. | Family: Ranunculaceae

Wahoo (Burning Bush, Spindle Tree) | Scientific Names: Euonymus occidentalis | Family: Celastraceae

Wake Robin (Arum, Lord-and-Ladies, Adam-and-Eve, Starch Root, Bobbins, Cuckoo Plant) | Scientific Names: Arum maculatum | Family: Araceae

Warneckei Dracaena (Striped Dracaena, Janet Craig Plant) | Scientific Names: Dracaena deremensis | Family: Asparagaceae

Water Flag (Iris, Snake Lily, Flag) | Scientific Names: Iris species | Family: Iridaceae

Water Hemlock (cowbane, poison parsnip) | Scientific Names: Cicuta maculata | Family: Apiaceae

Wax-Leaf (privet, amur, common privet) | Scientific Names: Ligustrum japonicum | Family: Oleaceae

Weeping Fig (fig, indian rubber plant) | Scientific Names: Ficus sp. | Family: Moraceae

Western Yew (English Yew, Pacific Yew, Japanese Yew, Anglo-Japanese Yew) | Scientific Names: Taxus brevifolia | Family: Taxaceae

White Heads (Ranger's Button) | Scientific Names: Sphenosciadium capitellatum | Family: Apiaceae

Wild Arum (Black Calla, Wild Calla, Solomon's Lily) | Scientific Names: Arum palestinum | Family: Araceae

Wild Calla (Black Calla, Wild Arum, Solomon's Lily) | Scientific Names: Arum palestinum | Family: Araceae

Wild Carnation (Carnation, Sweet William, Pinks) | Scientific Names: Dianthus caryophyllus | Family: Caryophyllaceae

Wild Coffee (Geranium-Leaf Aralia, Coffee Tree) | Scientific Names: Polyscias guilfoylei | Family: Araliaceae

Winter Cherry (Natal Cherry, Jerusalem Cherry) | Scientific Names: Solanum pseudocapsicum | Family: Solanaceae

Winterberry (English Holly, European Holly, Oregon Holly, Inkberry, American Holly) | Scientific Names: Ilex opaca | Family: Aquifoliaceae

Wisteria () | Scientific Names: Wisteria spp. | Family: Fabaceae

Yarrow (Milfoil) | Scientific Names: Achillea millefolium | Family: Compositae

Yellow Oleander () | Scientific Names: Thevetia peruviana | Family: Apocynaceae

Yesterday, Today, Tomorrow (Morning-Noon-and-Night, Kiss-Me-Quick, Lady-of-the-Night, Fransiscan Rain Tree, Brunfelsia) | Scientific Names: Brunfelsia species | Family: Solanaceae

Yew (japanese yew) | Scientific Names: Taxus spp. | Family: Taxaceae

Yew Pine (buddhist pine) | Scientific Names: Podocarpus macrophylla | Family: Podocarpacaea

Yucca () | Scientific Names: Yucca spp. | Family: Agavaceae