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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 ...

Our often-wet springs bring with them the perfect conditions for many plant diseases. While moist weather can create conditions for diseases on many plants, sick trees in the landscape tend to draw ...

If you have cherry or plum trees, now's a good time to check for a disease called black knot fungus. The fungus can go unnoticed with summer foliage but is apparent when trees are winter-bare. Also ...

Q: My plum tree has leaf curl. Is there anything I can do to get rid of it now that they have leafed out and have little baby plums growing? I sprayed all my trees with a dormant spray twice over the ...

Q: Last year, my plum tree didn’t have any fruit at all. This spring, it has so many plums that I’m afraid the branches may break! Why? A: This phenomenon is called alternate-year bearing and is very ...

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, ...