Poinsonous Plants

The following chart lists some common indoor and outdoor plants and their toxicity level. This information was provided by The University of Kansas Hospital, Mid-America Poison Control Center. For more information, please visit their web-site. Contact the Poison Control Center at 1-800-222-1222
For information on what plants are poisonous to animals please visit the ASPCA web-site

Disclaimer! This page is for informational purposes only not as a guide for home treatment. Contact your physician, veterinarian or poison control center in case of any suspected poisoning!

Toxicity Levels: Each plant on the list has been rated with one or more of these toxicity levels:

N/T - Non-toxic: These plants are not poisonous or there is no known record of toxicity.
1 - Dermatitis: Exposure to juice or sap from these plants or a puncture wound from the thorns (if present) may produce a skin rash or irritation.
2 - Minor Toxicity: Ingestion may cause minor symptoms such as rash, vomiting or diarrhea. May cause irritation to mouth, throat or stomach.
3 - Major toxicity: Ingestion in large amounts can cause serious effects.
4 - Potential toxicity: These plants may potentially be toxic but information or human exposure is very limited.

A - C

Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
African Violet Saintpaulia ionantha	X
Airplane-Propeller Plant Crassula cultrate	X
Aloe Vera Aloe Vera		X	X
Alyssum Allyssum species	X
Amaryllis Hippeastrum/Amaryllis species			X
Angel's Trumpet Brugmansia/Datura				X
Arrow-Head Vine Syngonium podophyllum			X
Asparagus Fern Asparagus setaceus	X
Aster Felicia aethiopica	X
Autumn crocus Colchicum autumnale				X
Azalea Rhododendron species				X
Baby's Breath Gypsophila species	X
Baby's Tears Soleirolia soleirolii					?
Bachelor Buttons Centaurea cyanus	X
Begonia Begonia species			X
Bird of Paradise Poinciana gilliesii			X
Bittersweet Solanum dulcamara				X
Bleeding Heart Dicentra formosa		X
Bleeding Heart Vine Clerodendrum	X
Boston Fern Nephrolepis exalta	X
Boston Ivy Parthenocissus tricuspidata			X
Boxwood Buxus Sempervirens		X	X
Buttercup Ranunculus species			X
Burro-Tail Sedum morganianum	X
Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Cactus Cactus species		X		X
Caladium Caladium species		X	X
Calathea Calathea species	X
Calla Lily Zantedeschia species			X
Candelabra Cactus Euphorbia lactea		X	X
Candelabra Plant Aloe arborescens		X	X	X
Carnation Dianthus caryophyllus			X
Cassava Manihot esculenta				X
Canna Lily Canna generalis	X
Castor Bean Ricinus communis				X
Cedar Juniperus virginia		X	X
Chinaberry Melia azedarach				X
Chinese Evergreen Aglaonema modestum	X
Chinese Lantern Physalis alkekengi				X
Chokecherry Prunus virginiana				X
Christmas Cactus Zygocactus truncatus	X
Christmas Rose Helleborus niger			X	X
Chrysanthemum Chrysanthemum species		X	X
Clematis Clematis species			X	X
Coleus Coleus species	X
Corn Lily Veratrum califonicum				X
Corn Plant Draceana fragrans	X
Corn Poppy Papaver rhoeas				X
Cotoneaster Cotoneaster species				X
Cowbane Cicuta maculata				X
Cowslip Caltha palustris				X
Cowslip (American) Dodecatheon	X
Crucus (Spring Blooming) Crocus species	X
Croton (indoor) Codiaem		X	X
Croton Croton tiglium				X
Crown of Thorns Euphorbia milii		X	X
Crown Vetch Coronilla varia				X
Cyclamen Cyclamen species			X

D - L

Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Daffodil Narcissus species			X	X
Daisy Chrysanthemum species		X	X
Dandelion Taraxacum officinale	X
Daphne Daphne species				X
Deadly Nightshade Solanum/Atropa				X
Delphinium Delphinium virescens				X
Dracaena Dracaena species	X
Dumbcane Dieffenbachia			X
Easter Lily Lilium longiflorum	X
English Holly Ilex aquifolium			X
English Ivy Hedera helis		X	X
Eucalyptus Eucalyptus globulus			X
Euonymus Euonymus species			X
Ficus Ficus species		X
Forget-Me-Not Myosotis	X
Forsythia Forsythia	X
Four O'Clock Mirabilis jalapa		X	X
Foxglove Digitalis purpurea				X
Gardenia Gardenia jasminoides					?
Geranium Pelargonium species		X
German Ivy Senecio mikanoides				X
Gladiola		X	X
Goldenrain Tree Koelreuteria paniculata	X
Goldenchain Tree Laburnum anagyroides				X
Golden Pothos Epipremnum aureum			X
Grape Hyacinth Muscari species	X
Grape Ivy Cissus rhombifolias					?
Ground Cherry Physalis species				X
Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Hackberry Celtis sinensis		X
Hawthorn Crataegus species	X
Hedge Apple Maclura pomifera		X		X
Hemlock Conium maclatum				X
Hibiscus Hibiscus species	X
Holly Ilex species			X
Honeysuckle Lonicera sempervirens					?
Hyacinth Hyacinth orientalis		X	X
Hydrangea Hydrangea arborescens			X	X
Impatiens Impatiens species	X
Iris Iris species		X	X
Jack-in-the-pulpit Arisaema triphyllum		X	X
Jade Plant Crassula argentea	X
Jasmine Jasminum rex	X
Jerusalem Cherry Solanum pseudo.				X
Jimson Weed Datura stramonium				X
Kalanchoe Kalanchoe species	X
Lantana Lantana camara				X
Larkspur Delphinium species					?
Laurel Kalmia species				X
Lilac Syringa	X
Lily of the Valley Convallaria species				X
Lobelia Lobelia species		X		X
Locust, Black Robinia pseudoacacia				X
Locust, Honey Gleditsia triacanthos	X

M - S

Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Magnolia Magnolia species	X
Maple Acer species					?
Marigolds Tagetes species		X
Marijuana Cannabis sativa				X
May-apple Podophyllum peltatum		X	X	X
Milkweed Asclepias species			X
Mistletoe Phoradendron/Viscum				X
Money Plant Lunaris annua	X
Morning Glory Ipomoea species				X
Moses-In-the-Cradle Rhoeo spathacea		X
Mother-In-Law's Tongue Sansevieria sp.					?
Nasturtium Tropaeolum majus	X
Nephthytis Syngonium podophyllum			X
Nightshade Solanum species				X
Norfolk Island Pine Araucaria heterophylla		X
Nutmeg Myristica fragrans				X
Oak Tree Quercus species		X
Oleander Nerium oleander				X
Palm	X
Pansy Viola tricolor					?
Peace Lily Spathiphyllum species			X
Peony Paeonia officinalis				X
Periwinkle Vinca rosea				X
Petunia	X
Philodendron Philodendron species			X
Phlox	X
Poinsettia Euphorbia pulcherrima		X	X
Poison Ivy/Oak toxicodendron sp.				X
Pokeweed Phytolacca americana				X
Poppy Papaver somniferum				X
Potato foliage Solanium tuberosum				X
Primrose Primula vulgaris		X
Privet Hedge Ligustrum vulgare			X
Purple Passion Gynura aurantiaca					?
Pussywillow Salix species		X
Pyrancantha species		X	X
Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Rain Lily Habranthus brachyandrus					?
Red Bud Cercis canadensis	X
Rhododendron Rhododendron species				X
Rhubarb Leaves Rheum species		X	X	X
Rose Rosa species		X
Rose Moss Portulaca	X
Rose of Sharon Hibiscus syriacus	X
Rubber Tree Plant Ficus elastica		X
Russian Olive Elaeagnus		X
Schefflera Schefflera species		X	X
Sedum Sedum species		X
Snapdragon Antirrhinum species	X
Snow-on-the-mountain Euphorbia marg.				X
Spider Plant Chlorophytum comosum	X
Star-of-Bethlehem Ornithogalum umbell.				X
String-of-buttons Crassula rupestris	X
String-of-hearts Ceropegia woodii	X
String-of-pearls Senecio rowleyanus				X
Swedish Ivy Plectranthus australis	X
Sweet Pea Lathyrus odoratus					?

T - Z

Plant Name	N/T	Level 1	Level 2	Level 3	Level 4
Thornapple Argemone mexicana				X
Tiger Lily Lillium tigrinum	X
Ti Plant Cordyline terminalis	X
Tomato foliage Lycopersicon lycopersicum				X
Tulip bulbs		X
Trumpet Vine Campsis radicans		X
Umbrella Plant Cyperus alternifolius		X	X
Verbena Verbena species					?
Vinca Rosea Vinca species				X
Virginia Creeper Parthenocissus quinque.			X
Violets Viola odorata					?
Wandering Jew Tradescantia albinflora		X
Water Hemlock Cicuta species				X
Water Lily Nymphaea species					?
Wax Plant Hoya carnosa	X
Wild Strawberry Fragaria	X
Wild Tomato Solanum carolinense				X
Wisteria Wisteria sinensis			X
Wood Rose Merremia tuberosa				X
Yew Taxus species				X
Yucca Plant Yucca species	X
Zebra Plant Calathea/Cryptanthus species	X
Zinnia	X

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Poisonous Plants

Disclaimer! This page is for informational purposes only not as a guide for home treatment. Contact your physician, veterinarian or poison control center in case of any suspected poisoning!

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