Q: I have a 3-year-old Burgundy plum tree. The leaves became yellow in March so I applied KeRex iron to the soil when I first noticed the problem. Now the new leaves do not show any yellow in them, ...

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, ...

When should I spray my purple-leaf plum tree for the mites and disease they seem to get every year? A: That is a problem-prone tree, in my opinion. The dark leaves are nice, but it usually ends up ...

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 ...

We attributed the plum leaf curling to aphid infestation: Sucking insects that can cause leaf distortion. I think we were generally correct, but there was a bit of a problem. Close examination usually ...

Water a young plum tree abundantly when the topsoil gets dry—this will help it develop a strong root system. “Manual watering ...