Thujas are evergreen trees that grow from 10 to 60 feet high. They have red bark and green, spidery limbs; grow in a cone shape; and produce cones. These trees are very common in North America and generally are not known as being toxic to horses but instead used as a remedy.
Identification
Thujas are tall, fast-growing and hardy evergreens. They are used many times as a blockade between property lines, for decoration and for shade.
Theories/Speculation
It is believed among some equine circles that thuja is poisonous to horses. Instead, the oil is used as a holistic remedy. Generally, horses will not try to eat these trees, as they are not appetizing, but like anything else, if they do eat thuja, too much could be a bad thing.
Benefits
The oil produced by thujas is used most commonly for wart removal and sarcoids in equine. Sarcoids are external benign tumors on a horse that start out as a wart and can get as large as a tennis ball.
Forms of Medicine
Thuja oil is available in topical or pill form for both horses and humans.
Fun Fact
Thujas were first brought to the U.S. in 1967 as a gift from Denmark and are a popular replacement for Leyland cypress trees.
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