Poisonous 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
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.
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 |
