Forest pests and diseases
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Are you a forest landowner with concerns about the health of the trees in your woodland? Learn more about common forest diseases and pests by tree species below, or use our plant diagnostic tools to identify potential problems. Homeowners should visit our yard and garden resources to learn more about keeping trees and shrubs healthy.
Broadleaf tree pests and diseases
Conifer tree pests and diseases
In addition to the linked resources below, you may also be interested in the Christmas Tree Pest Manual (pdf opens in new page) from the US Forest Service.