Stimulants and calcium gluconate are helpful in treatment. The poison is primarily found in the green tissue and decreases as the plant dries. The poison is accumulative and can be transmitted in milk. This is a very common tree in our area. The leaves and young twigs of the tree are only poisonous when wilted.
Animals can graze normal, fresh leaves from the tree without harm.
Once the leaves have dried, they are no longer poisonous to animals. It is a good idea to keep livestock out of pastures containing wild cherry trees after a hard frost or a severe wind storm until an inspection of the area can determine that it is safe to allow the animals to enter. An even easier alternative would be to eliminate the wild cherry trees from the pasture. Service Fact Sheet 427. Selected Weeds of the United States, Agriculture Handbook No.