Witches'-broom is a dense, tangled cluster of twigs that forms on trees and shrubs, often caused by stress, disease, insects, or mites. It may look concerning, but is it really a problem? Learn what witches'-brooms are, why they form, whether they’re harmful, and what to do if you spot one on your tree in this guide. The post What Is Witches’-Broom in Trees and Is It Harmful? appeared first on Gardener's Path.| Gardener's Path