Deerfield Veterinary Clinic
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Plants Poisonous to Your Pets

Dogs and cats can be very interested in your plants and their surroundings. If you have a dog that likes to eat EVERYTHING, use this list as a resource for what is poisonous. However, when in doubt contact your local vet or poison control center.

Though not all plants are fatal, some can cause severe digestive problems, pain and discomfort. Some plant parts are non-toxic, while other parts on the same plant are toxic. Also, many plants within a certain family may be toxic, so if you know that one plant in a family is poisonous, be especilly cautious with other plants in that same family. Listed below are common plants that are poisonous.


Common Name Botanical Name Poisonous Parts
Anemone, Pasque Flower Anemone spp.  
Baby's Breath Gypsopilia paniculata  
Baneberry, snakeberry Actaea spp. berries, roots, foliage
Barberry Berberis vulgaris berrie, roots, foliage
Birds Foot trefoil Lotus corniculatus  
Bitterweed Hymenoxys sp  
Black Locust Robinia pseudoacacia  
Bleeding Heart Dicentra spectabilis foliage
Blood Root Sanguinaria canadensis red sap
Boxwood Buxus sempervirens foliage
Buckeye, Horse Chestnut Aesculus spp.  
Buckwheat Fagopyrum sp all parts except seeds
Burning Bush Euonymus alatas  
Buttercup Ranunculus sp all parts
Carnation Dianthus spp.  
Castor Bean Ricinus ommunis seeds
Chinese Lantern Physalis sp  
Clematis Clematis spp.  
Clover Trifolium spp. roots
Cocklebur Xanthium spp.  
Columbine Aquilegia vulgaris  
Coralberry, snowberry Symphorcarpos spp.  
Cotoneaster Cotoneaster salicifolius berries
Cowslip Caltha palustris  
Crocus Colchicum sp  
Crown Vetch Coronilla varia  
Daffodil Narcissus spp. bulbs
Dahlia Dahila spp.  
Daphne Daphne spp berries, bark, leaves
Delphinium Delphinium sp  
Elderberry Sambucus canadensis berries
False Indigo Baptistia spp.  
Fiddleneck Amsinckia intermedia all parts
Fig Wort Scrophularia sp  
Flax Linum usitatissimum  
Four o'clock Mirabilis jalapa  
Foxglove Digitalis sp. leaves, seeds, and flowers
Fritillaria Fritillaria collina bulbs
Goldenrod Solidago sempervirens  
Hairy Vetch Vicia spp.  
Helioptrope Heliotropium arborescens  
Hellebore Helleborous niger leaves, stems, berries, roots
Hemlock Coniu maculatum All parts, root and root stalk
Holly Illex spp fruit
Horestail Equisetum arvense  
Hydrangea Hydrangea macrophylla leaves, bulbs
Iris Iris spp underground stems, blubs
Joe Pye Weed Eupatorium rugosum  
Kentucky Coffee Tree Gymnocladus dioicus  
Lantana Lantana all parts, use caution
Larkspur Delphinium so. young plants and seeds
Leopards bane Arnica montana  
Lily Lilium sp. leaves, flowers
Lily-of-the-Valley Convallaria majalis leaves, flowers
Lobelia Lobelia sp.  
Loco Weed Astragalus spp/Oxytropis sp. all parts
Jimson Weed Detura stramonium all parts
Lupine Lupinus app.  
Maiden Grass Miscanthus sinensis roots
Mandrake-Mayapple Podophyllum peltatum roots, foliage, unripe fruit
Yarrow Achillea millefolium  
Milkweed Asclepias spp  
Mistletoe Phoradendron serotinum berries
Monkshood Acontitum sp all parts
Morning Glory Ipomoea sp. seeds
Mountain Laurel Kalmia  
Mescal Bean Sophoria secundiflora  
Nettle Urtica spp.  
Nightshade, Bittersweet Atropa sp./Solanium sp. All parts
Oak Quercus spp.  
Oleander Norium Oleander All parts, including dry leaves
Periwinkle Vinca sp  
Pigweed Amaranthus spp.  
Pokeweed, Inkberry Phytolacca americanan all parts
Ponderosa Pine Pinus ponderosa sap
Poppy Papaver sp all parts exept seeds
Porcelain Berry Ampleopsis spp.  
Prickly Copperweed Oxytenia acerosa  
Princess Plume Stanleya pinnata  
Privet Ligustrum sp. berries
Queen Annes Lace Daucus carota  
Ragweed Ambrosia sp. pollen
Ragwort, Groundsel Senecio sp.  
Red Maple Acer rubrum  
Rhododendron-Azalea Rhododendrun sp. all parts
Rhubarb Rheum raponticum leaf blades
Rue, Bittersweet Ruta graveolens  
Scotch Broom cystisus scoparius  
Sedum Stonecrop Sedum all parts
Snakeweed Gutierrezia microcephala  
Sneezweed Helenium microcephalum  
Snow on the mountain Euphorbia maculata  
Snowdrops Galanthus elswesii  
Soapwort Saponaria spp.  
Solomons Seal Polygonatum spp.  
St Johns Wort Hypericum perforatum leaves
Sweet Clover Melilotus spp.  
Sweet Pea Lathyrus odoratus seeds, pods
Tansy Tanacetum sp  
Thorn apple-Angels trumpet Datura innoxia all parts
Tobacco Nicotiana spp  
Trillium Trillium so.  
Tulip Tulipa bulbs
Viginia Creeper-Boston Ivy Parthenocissus quinquefloia all parts
Wild Cherries Prunus sp. leaves, seeds, stems, bark
Wisteria Wisteria sp seeds, pods
Wormwood Artemsia absinthium  
Yellow Star Thistle Cenaurea solstitalis  
Yew Taxus canadensis all parts
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