Agriculture Reference
In-Depth Information
dock burrs mat in a horse's mane and tail, resulting in a time-consuming and unpleasant
grooming session.
Noxious weeds,
those that are officially being controlled by local, state, or federal legis-
lation, include leafy spurge, cheatgrass, yellow star thistle, salt cedar (tamarisk), Russian
knapweed, and yellow toadflax.
Still other plants contain toxic components that make them poisonous to horses, and
these plants should be eradicated from pastures and hay fields. The list of poisonous plants
will vary according to locale, so check with your agricultural Extension agent. Some ex-
amples are locoweed, senecios (ragworts and groundsels), buttercup, poison and spot-
ted hemlock, water hemlock, deadly nightshade, curly dock, horse nettle, stagger grass,
atamasco lily, mustard, hairy vetch, Mexican poppy, dogbane, hound's tongue, milkweed,
perilla mint, choke-cherry, red maple, and acorns. It is also important to avoid planting
highly toxic plants such as yew, rhododendron, and oleander in or around horse enclosures.
