High Risk
Latin Name: Helleborus spp
Erect, perennial herb with deep dull green broad and strap-like leaves. The flowers are bell shaped and greenish yellow, with darker edges. The flowers, which are 10mm - 30mm in size are produced in large clusters in spring (January - May). They produce fruit in the form of a capsule following flowering. Hellebores can be found woodland, scrub, and rocky hillsides.
Symptoms can include:
Loss of coat condition, tremors, respiratory problems, irregular pulse, abdominal pain, diarrhoea, excessive urination. salivation, vomiting, colic, paralysis, excitement, enlargement of the pupils.

Although a very poisonous wild growing plant there have been few reported cases of poisoning in horses. There are different species of hellebore some of which are gown as garden plants.