Are camellia bushes poisonous to horses?

Horses are known to eat Oleander, but Oleander is extremely toxic to horses and should be kept away from them at all costs. If a horse ingests Oleander call a veterinarian immediately as they may have to take the horse to a hospital for supportive care and IV fluids. Horses, although large animals are quite delicate when it comes to what they eat and what is toxic to them.