Native Plants

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Friday - July 17, 2009
From: Boerne, TX
Region: Southwest
Topic: Poisonous Plants
Title: Is Desert willow poisonous to horses in Boerne TX
Answered by: Barbara Medford
QUESTION:
I have just purchased Bubba Desert Willows and have horses. Will they eat them, do you know and if so will they be harmed? ThanksANSWER:
We are assuming that the "Bubba" is a name given to Chilopsis linearis (desert willow) by a nursery retailer. This USDA Plant Profile shows that it is native in the area of Kendall County, and will probably do fine in Boerne. We don't know if horses will eat them; we do know that the horse is a herbivore and a grazing animal. Mostly they eat grass and hay, which is dried grass. Given their size, horses have small stomachs designed to process small amounts of food continuously. Horses will also eat stray foliage, like leaves and branches. So, this probably means they would eat the desert willow, if it was available, and it might not hurt the horse, but it would sure mess up those beautiful blooms on the plant. Given the choice, we would separate horses and desert willows, for the sake of the plants.
We have checked all of the poison plant databases listed below, and none of them list Chilopsis linearis (desert willow).
Poisonous Plants of North Carolina
Cornell University Plants Poisonous to Livestock
University of Pennsylvania Poisonous Plants
Canadian Poisonous Plants Information System
Horse Nutrition: Poisonous Plants from Ohio State University
10 Most Poisonous Plants for Horses from EquiSearch.com
Poisonous Plants from Trailblazer Magazine
Toxic Plants: Horses from the ASPCA
Because the desert willow does not appear on any of these lists does not guarantee it not to harm horses, but it reduces the possibility.
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