Find out about common North American trees with pinnate leaves. Learn how to identify hickory, ash, walnut, black locust, and pecan using this guide.

This pecan tree laid down about four years ago and appears to have a good bit of dead wood in the tree that could be trimmed out, but its life expectancy is uncertain.

Q. I have a large pecan tree in my small backyard. Are the leaves good mulch for the grass? What about for the flower beds? A. Don't use the leaves as mulch on the grass unless you mulch-mow them ...

The common trees with pinnate and bipinnate leaf arrangements include hickory, pecan, black locust, and honey locust. Learn how to identify them.

As a result, the trees are dropping leaves. I looked at a few backyard pecan trees while visiting a homeowner recently Most of the leaves dropping had black spots on the leaves.

So, although I can’t give you a definitive answer, hopefully this information will let assist you in determining why pecan trees in Austin are shedding their leaves prematurely.

A: Those are pecan phylloxera galls and they're basically harmless to the tree overall. They'll knock some of the leaves off, but the tree will move on just fine.

TEXARKANA, Texas -- A sign of the changing seasons on the unofficial last day of summer, pecan tree leaves cover a car on Monday, Labor Day. Temperatures are beginning to drop, too, with highs in ...

Pecan leaf phylloxera, Phylloxera notabilis, is a tiny aphid-like insect that feeds on foliage of pecan trees. You can only see the insects under a microscope because they are so tiny.

Travel & Outdoors An Old Pecan Tree Is a Beacon of Hope at the Holidays With 60,000 white lights sparkling in the night, it draws hundreds of people each year in the tiny town of Bartonville, near ...

The leaves contain an acid which will enter the soil when the leaves decompose. This acid doesn’t hurt the pecan tree, but discourages or kills certain other plants growing near it.

Oak leaves are typically oval or elliptical and 2-4 inches long. Pecans: Another large tree, some pecan trees can grow to 120 feet tall with a truck of four feet in diameter. The most obvious ...