What are the small tan bumps on my oak leaves? — Davey, ... Leaf galls may not appear again the following ... A. September and early October is a good time to start a new red raspberry bed.

Leaf galls are usually so numerous that most pruning would be pointless. “A tree that has galls on any leaves probably has thousands of them,” she said.

Oak leaf pocket gall shows up on the underside of a leaf as long, raised areas that follow the leaf veins and distort the leaves. Right now, the galls are soft and green but will eventually harden ...

Don’t jump to the conclusion that those mysterious marks are evidence of disease. They may be leaf mines or galls — and that’s a good thing.

Leaf galls rarely cause serious harm. My new shrub that was planted last year is doing well, but it has odd-looking, cone-shaped bumps on some of the leaves.

Coast live oak leaves with brown, scorched margins due to feeding on the leaf underside by the two-horned oak gall wasp. (Photo by Jack Kelly Clark) These wasps are native to California, and form ...

Have you noticed an azalea or a camellia whose leaves are two to three times the normal size and are thick and fleshy?