Q. I enjoy the Plant Medic column. Do you have any knowledge about the sad condition of crabapple trees in the Allen County area? Is there a blight going amongst them? A. Crabapples are native to both ...

The best way to avoid flowering crabapple tree problems is to select a cultivar that is resistant to the common diseases. Many of the new cultivars are resistant to or tolerant to scab, fireblight and ...

Japanese apple rust, a disease affecting apple and crabapple trees, as well as junipers, left this spot on the leaves of a tree. The finger-like projections on the back of the leaf produce fungal ...