Are Paulownia toxic to animals?
Paulownia is very high in protein and safe for animals. Enriched in nutrients, paulownia leaves and flowers were good fodder for pigs, chicken, sheep, cattle and rabbits and so on. Results indicated that there were no any symptom of toxicity appeared.
However you will need to protect the trees with fencing from the horses or cattle until the tree reaches a good height so the animals do not destroy the growth of the tree by eating the terminal bud out.