Chewgrass

Toxic plants

Jimsonweed

Datura stramonium, Datura spp.

Plant type
forb (annual)
Settings
Disturbed ground
Risk
High risk Our rating from the cited sources.
Review
Not yet reviewed by a veterinarian.

Photos

Planned.

How to tell it

Annual with wavy leaves, large white tubular flowers about 4 in long and a spiny seed pod about 2 in long; barn lots and trampled ground (Merck).

Look-alikes: Planned.

What to do on a site walk

  1. Remove (gloves) before move-in.

Why it matters

Toxic principle
Tropane alkaloids (atropine, scopolamine, hyoscyamine)
Toxic parts
All parts; seeds highest
Basis for our rating
Chewgrass rating. Cornell lists goats; ARS: toxic to all classes of livestock.

Signs in goats

Restlessness, dilated pupils, dry mouth, fast weak pulse, twitching, convulsions (ARS, Merck).

If you think an animal has been poisoned, call your vet right away.

Season

Seeds can end up in hay (Merck).

Sources

Links last checked: 2026-10-31