Oak trees are focal points of many home landscapes, parks, and green spaces throughout Wisconsin. Several species are native ...

It's only July, and some Cape Cod leaves are turning brown. No, your tree isn't dying. Here's what's really going on.

The California oak moth (Phryganidia californica) targets coast live oaks, defoliating trees in spring and summer. Caterpillars can strip entire canopies in severe outbreaks.

The other gall I found, which was on a different tree, was an oak leaf pocket gall. This gall is produced by a one-eight-inch-long fly, or midge, called Macrodiplesis quercusoroca.

Maple, oak and birch trees are blooming. Yes, blooming. ... Local lore is when leaves are the size of squirrel ears, that’s peak time to look for morel mushrooms. Crimson king maple.