It’s Monday and time to study another member in the a-z of plants your horse can’t eat. Today’s plant is rather nondescript and incredibly unassuming – but make no mistake Field Pennycress is bad news for horses.
A Little About Field Pennycress
Thlaspi is also called Field Pennycress. This is an annual the grows around 2.5 inches tall. Leaves are alternate and grow in rosettes. Flowers are white with 4 petals and 4 sepals. Fruit is a flat, oval pod.
How Dangerous Is It?
This plant is unpalatable to horses and generally only a problem during drought conditions. While it is toxic, large quantities must be consumed over a long period of time to cause symptoms. The plant contains Isothiocyanates which irritate the digestive tract.
All parts of this plant are toxic to equines.
What To Look For
You know your animal the best, so you should know when something is amiss. Field Pennycress toxicity symptoms include gastrointestinal upset, excessive drooling, diarrhea and colic.
Learn More
Be sure to check out the Field Pennycress page to learn more about the plant and while you are at it why not check out more toxic plants?
*It should be noted that I’m not a veterinarian. This information is written specifically for horses and should be used for reference purposes only. If you think your horse has eaten something toxic call your vet right away.