If you have a majestic and stately oak tree (Quercus spp.) growing in your yard, you'll know that the leaves will naturally change color in the fall before they drop off your deciduous tree. This ...

Cicada season may be over, but another pest emerges right after. Here's how to prevent possible bites and rashes from oak ...

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.

The bark of a younger willow oak tree is often smooth and light reddish-brown. As the tree matures, the bark will grow greyer, and the texture rougher . The leaves are simple and spear-shaped ...

Ever see a pin oak with light green or yellow leaves? Chlorotic pin oaks are common in the Midwest. In oaks, chlorosis is caused by an iron deficiency that is almost always the result of the tree ...

Light green lichens and mosses that grow on the bark of oak trees do not harm the tree. (Mike Zacchino/2015) We're well into a record-breaking stormy winter, but gardening questions never end.

ANSWER: The loss of leaves from your oak tree is not related to soil fertility. Many live oaks drop some or most of their leaves in February or early March, and then rapidly regrow a new crop of ...

Oak leaf blister is caused by a fungus that attacks most species of oaks found in Louisiana. It can be particularly bad when the weather is cool and wet. (LSU AgCenter photo) Oak leaf blister, a ...

Figure 1. It may be winter, but these beech trees at Knox State Park in East Aurora, New York still have leaves on them. This is called marcescence.

A leaf’s main purpose is photosynthesis, or using light to convert carbon dioxide into sugars and oxygen, which in turn support nearly all living things. “These diverse leaves are doing a ...

Black oak leaves are one of the best ways to identify the tree. They are about 3-9 inches long and can vary in shape . What makes them distinct are the lobes on a single leaf, which have sharp ...