Plants Toxic to Horses from The Spruce Pets
If you have horses and a garden, you'll have to be careful that you do not have certain plants on your property. These common weeds, trees, plants, and shrubs, shown below, are toxic to horses and ponies. Learn to identify these plants in your pastures and yards and be sure to remove them as soon as possible to keep your horses safe.
Deadly Nightshade
Buttercups
Bracken Fern
Horse Tails
Lamb's Quarters (or Pigweed)
Lily of the Valley
Milkweed
Pigweed
Red Maple
Red Oak
St. John's Wort
