Q: Our oak tree is about 70 feet tall. This spring, it developed dried-out bunches of leaves starting at the ends of the ...

Like us on Facebook. 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.

He also notes in an article in Bay Nature Magazine, that the urchin gall is most often found on blue oak trees. What you are observing is the tree’s reaction to the wasp laying her eggs on its leaf.

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 ...

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.

Water oak, willow oak, canby oak and others are in this category. Some trees hold their dead brown leaves through the winter and kick them off only as buds swell, leading to the new growth for the ...

At left is a typical warm weather leaf from a southern live oak tree. At right is a leaf more typical of cooler weather, from a sweetgum tree in the Mid-Atlantic.

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 ...

Our local forests have far fewer oak trees than were present in the 1800s and yet, of all our native trees, the oak tree is ...

An oak can produce three million acorns in its lifetime — tons of protein, fat and carbohydrates — and a mature tree can drop as many as 700,000 leaves every year.