Q. We have a pin oak tree that is approximately 30 feet tall. On the north-facing side of the tree there are many wilted leaves, and there are many balls of strange growth. Pictures of the leaves and ...

Q: My evergreen oak tree is more than 20 years old. Some of the leaves are turning yellow and dropping. While there is some new growth, it is not as vigorous as prior years. The tree is on drip irr ...

A deadly new oak-tree disease can be prevented by pruning them in the ... leaf loss from spongy-moth ... “Some of that may be due to increased vigilance and better identification, ...

Read on for facts about oak trees, including common species, how to identify oaks by their leaf shape, planting tips, and where you can see the longest-living oak tree in America. The Most Common ...

White oak leaves reach five to nine inches long and have six to ten rounded lobes. The underside of each leaf will have white appearance while the top is typically a shiny green. Tree identification ...

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.

Tree anatomy, including leaf shape and twig parts, helps you identify and name tree species. Knowing a tree's physiology will help with identification.

Purdue Landscape Report: Each spring the PPDL receives several samples of oak trees showing curled, twisted, stunted and/or generally ratty looking leaves.When there are holes in the leaves or leaf ...

A buck moth caterpillar eats an oak tree leaf on Thursday, April 15, 2010 on Gov. Nicholls Street in New Orleans. (Photo by Chris Granger, NOLA.com|The Times-Picayune) The return of the buck moth ...

Bacterial Leaf Scorch (Xylella fastidiosa) — This disease impacts the xylem of otherwise healthy trees where it gradually clogs the tree’s plumbing. It can be fatal over the course of a year ...