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, ...

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Q: I have a question about several of our young plum trees. Some of the fruit are all brown and shriveled up. Any idea what is happening? - Lisa Rakowski, Mayville, N.D. A: Thanks for the great photo, ...

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 ...

Question: Please help! I just noticed that my wild plum tree in my backyard has some sort of fungus growing on it. Is there anything I can do, or is it diseased beyond repair? It was healthy this ...

Winter is here and yet we’re still getting plenty of gardening questions to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

Plum leaf curl is a malady indicated by tightly curled and deformed leaves which are usually near the ends of new plum shoots in the spring. Unlike leaf curl in peaches and nectarines, which is caused ...

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? This phenomenon is called “alternate year bearing” and is very ...

When residents in Vancouver’s First Place neighborhood have a question about trees, they need only turn to fellow neighbor Gene Wigglesworth. “They know me as the tree guy,” he said. The story behind ...

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 ...