Black knot, a fungal disease, is affecting cherry and plum trees in the Greater Columbus area, likely due to recent wet weather. The disease causes hard, black knots on branches, disrupting growth and ...

Many small ornamental trees brighten the Chicago region with their spring blooms: redbuds, crabapples, serviceberries, magnolias, wild plums and many more. Cherries, not so much. The Japanese cherry ...

A common fungal disease of cherry and plum trees is widespread in Greater Columbus, likely worsened by the abnormally wet conditions experienced locally both this spring and last spring. Black knot, ...