| Poisonous Plants |
| The following is a list of plants known to be toxic to horses African Rue: Mexican Rue Alsike Clover American Bittersweet Apple: seeds contain cyanide and are harmful in large quantities Arrowgrass: Triglochin palustris Asters Atamasco Lily: Easter Lily Autumn Crocus Bagpod Beefsteak Plant: Perilla Mint Black Locust: False Acacia Black Walnut Boxwood: Common Box Bracken Fern: Eagle Fern Broomweed: Resinweed Buckwheat Buffalo Bur: Kansas or Texas Thistle Bull Nettle: Horse Nettle Bunchflower Burning Bush: Spindle Tree Buttercup: Crowfoot Castor Bean Cherrylaurel: Mock Orange Chinaberry: Bead Tree Cocklebur Coffeeweed: Coffee Senna Common Nightshade: Deadly or Black Nightshade Corn Cockle Cotton Coyotillo Crimson Clover Dallis Grass: Rye Grass Day-Blooming Jasmine Death Camas Dogbane: Indian Hemp Eve's Necklace: Texas Sophora False Hellebore: Indian Poke Fanweed Fern Palm: Florida Arrowroot Fescue Fitweed: Corydalis Foxglove Golden Chain; Golden Chain Tree Ground Hemlock: Japanese Yew, Western or Pacific Yew, English Yew Ground Ivy: Creeping Charlie Groundsel Hairy Vetch: Betch Horsechestnut: Fetid Buckeye Horsetails: Foxtails Hound's Toungue Hydrangea Indian Paintbrush Inkweed Japanese Pieris: Pieris floribunda Jimmyweed: Jimmy Goldenweed Jimsonweed: Datura Johnson Grass: Columbus Grass Juniper Kleingrass Kochia: Mexican Fireweed Larkspur: Poisonweed Leafy Spurge: Snow on the Mountain Locoweed: Milk Vetch Lupine: Bluebonnet Marsh Maarigold: Cowslip Mescal Bean: Texas Mountain Laurel Mesquite: Honey Mesquite Milkweed Mistletoe Mock Azalea: Fool's Huckleberry Monkshood: Crowfoot Mountain Laurel: Dwarf Laurel Oak Oleander Onions: Garlic Pacific Labrador Tea: Western Labrador Tea Peach Ply Poison: Staggergrass Point Locoweed: Point Vetches Poison Hemlock: Spotted Hemlock Pokeweed: Pigeon Berry Prince's Plume: Desert Prince's Plume Privet: Ligustrum Rape: Canola, Mustards Rattlebox: Crotalaria Red Clover Red Maple Rhododendron: Great Laurel Rosary Pea: Crabs-Eye Rutabaga s-39-Lantana Sacahuista: Beargrass Saltbush: Orach Silverlearf Nightshade: Trompillo Singletary Pea: Sweetpea Sleepygrass Sneezeweed: Bitterweed Squirrel Corn: Staggergrass Squirreltail Grass: Fowtail Grass St. Johnswort: Klamathweed Sweet Clover Tarweed: Fiddleneck Texas Nightshade Tobacco Water Hemlock: Musquash Root Whitebrush Wild Cherry: Black Cherry Yellow Bristle Grass: Foxtail Grass Yellow Jessamine: Carolina Jamsine Yellow Star Thistle: Russian Knapweed |