True weeping willows are not toxic to horses, but other varieties may be.
Caffeine is uncontrollably more toxic to animals including dos, horses, and parrots.
There is a tiny bit of cyanide in the seeds of horse. They are technically toxic to horses, but only if the horse eats enough of them to raise the level or cyanide in their body to toxic levels.
as far as i know all berberis berries are edible as are mahonia berries.depending on growing conditions and personal taste some may find are not very palatable but can be made into jellies or jams.
Elderberry Tree...it is a small tree and usually grows on the banks of streams and creeks. The berries grow in clusters. They are used for jam--that taste like raspberries. The bark if the elderberry is toxic.
95% not
Elderberries are a fruit from the elderberry tree, but they are different to berries such as blackberries. You cannot eat them raw as they are toxic. Cooking is said to destroy the toxins.
No, but too much of them can cause colic.
No, it is toxic to any animal.
It is unclear whether or not Ixora plants are toxic to horses. In cases like these it is best to avoid letting horses have contact with the plants until it is fully determined to be toxic or not.
African Daisies are listed as non-toxic to horses. If you are at all concerned about them remove them from where the horses could gain access to them.
it can be toxic to poultry, cattle, sheep and horses, possible other animals as well.