To quote NET’s “Backyard Farmer” entomologist, Dr. Fred Baxindale, they are “Just one of nature’s pageantry.” Their occurrence might seem rare to some, but it all depends on what tree you own. Rarely ...

Q:I am concerned about ash gall — what is it? A:Galls are abnormal plant growth caused by insects, mites or plant diseases. On ash trees, a tiny eriophyid mite causes male flowers to grow into a round ...

This winter many urban ash trees are covered with unusual growths called ash staminate flower gall. An infected tree's twigs are covered with crumbly brown or black growths that look like flowers.

As mentioned in the previous garden update, galls that form on tree leaves rarely cause much in the way of tree stress. But there are also galls that form on other parts of trees. In most cases, gall ...

Answer: If you have an ash tree, you’ve probably seen the evidence of these ash flowergall mites (Eriophyes fraxiniflora). In case you’ve never noticed them before, the ash flowergall mites (aka ...

As leaves drop in autumn, the beautiful structure of trees is revealed. When trees are bare, we also become more aware of broken or dead limbs and other problems that may be afflicting the trees. As I ...

Answer: If you have an ash tree, you’ve probably seen the evidence of these ash flowergall mites (Eriophyes fraxiniflora). In case you’ve never noticed them before, the ash flowergall mites (aka ...

Each year in late spring and early summer, homeowners begin noticing strange growths on the leaves or stems and are concerned for the health of their trees. Several different types of galls are common ...

A gall is an abnormal growth or swelling of a plant caused by hormones released from insects, mites, bacteria, or nematodes. They can appear on any part of the plant with vast variation in morphology, ...