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, ...

Both are caused by fungi, but they are not spreading between these two trees; serviceberries don’t get black knot and plums ...

Bad things can happen to good gardeners. Even though you make every effort to follow the general cultural guidelines for the trees and plants in your garden, problems can occur. To help keep track of ...

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 ...