Poisonous Weeds Toxicity Level
Alfalfa (when blister beetles are baled in it) |
Dangerous!! |
| Annual Buttercup |
Widespread, but of minor importance |
| Arbovitae |
Dangerous, but uncommon |
| Bitterweed or bitter sneezeweed |
Dangerous!! |
| Black cherry (when stressed) |
Dangerous!! |
| Black locust |
Dangerous!! |
| Black nightshade |
Dangerous!! |
| Black Walnut |
Dangerous, but rarely eaten |
| Bladderpod |
Dangerous, but rarely eaten |
| Bleeding heart |
Dangerous, but rarely eaten |
| Bloodroot |
Dangerous, but rarely eaten |
| Boxwood |
Dangerous, but generally unavailable |
| Braken fern |
Dangerous!! |
| Buckeye |
Dangerous!! |
| Buttonbush |
Dangerous, but rarely eaten |
| Camas, death camas, black snakeroot |
Dangerous, but rarely eaten |
| Castorbean |
Dangerous, but generally unavailable |
| Cedars |
Slight |
| Chinaberry |
Minor importance |
| Climbing bittersweet |
Minor importance |
| Cocklebur |
Dangerous!! |
| Corn Cockle |
Dangerous, but rarely eaten |
| Crotalaria |
Dangerous!! |
| Dogbane |
Dangerous!! |
| Elderberry |
Dangerous, but rarely eaten |
| False Hellebore |
Dangerous, but rarely eaten |
| Fumewort |
Dangerous, but uncommon |
| Ground cherry |
Dangerous, but rarely eaten |
| Horsenettle |
Dangerous, but rarely eaten |
| Horsetail or scouring rush |
Dangerous, but rarely eaten |
| Hydrangea |
Dangerous, but uncommon |
| Jimsonweed |
Dangerous!! |
| Johnsongrass (when stressed) |
Dangerous, but rarely eaten by horses |
| Lily-of-the-Valley |
Dangerous, but uncommon |
| Mayapple or mandrake |
Dangerous, but rarely eaten |
| Milkweed |
Dangerous, but rarely eaten |
| Milo (Grain Sorghum) (when stressed) |
Dangerous!! |
| Mistletoe |
Minor importance |
| Monkshod |
Dangerous, but uncommon |
| Mountain Laurel |
Dangerous!! |
| Oak Leaves and Acorns |
Minor importance |
| Oleander |
Dangerous, but uncommon |
| Perilla Mint |
Minor importance |
| Pigweed |
Dangerous, but rarely eaten |
| Pines |
Slight |
| Poison hemlock |
Dangerous, but rarely eaten |
| Pokeweed |
Dangerous!! |
| Rattlebox |
Dangerous |
| Red Maple (stressed leaves) |
Dangerous!! but rarely eaten |
| Rhododrendron |
Dangerous!! |
| Scarlet pimpernel |
Dangerous, but rare |
| Scott's broom or scotch broom |
Minor importance |
| Sesbania |
Dangerous, but uncommon |
| Smartweed |
Minor importance |
| Sorghum and sudangrass hybrids (when stressed) |
Dangerous |
| Spruce |
Minor importance |
| Spurge |
Minor importance |
| St John's Wort |
Minor importance |
| Staggergrass |
Dangerous!! |
| Star-of-Bethlehem |
Dangerous, but uncommon |
| Sweetshrub (Sweet Bubby) |
Dangerous, but rarely eaten |
| Sweet Clover (when frosted or baled wet) |
Minor importance |
| Tall fescue(endophyte) |
Moderately toxic problems common |
| White Snakeroot |
Dangerous!! |
| Wild parsnip or spotted cowbane |
Dangerous!! |
| Yew |
Dangerous, but uncommon |
| Wooly croton |
Minor importance |
