Horse-Toxic Plants: Protecting Equines from Garden Hazards

Trees: Red maple, wild cherry, black walnut, oak
Shrubs: Azalea, rhododendron, castor bean
Herbaceous: Lupine, larkspur, ground ivy, horsetail, tomato, potato

Horses sample everything near fences. Known toxic plants include:

Best Resource

Your large-animal veterinarian has complete, current toxicity lists. A quick call provides authoritative guidance for your specific situation.

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