What you can do about yellownecked caterpillars: if you have an oak tree suffering an infestation, consider dusting the ...

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 ...

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

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.

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 ...

Anecdotal evidence has long shown that oak trees can act as a line of defense against spreading blazes. Now, the Santa ...

I noticed a lot of small twigs with leaves on them under my oak tree and became concerned about the oak. It is a large, ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut ...

Question for Dan Gill: There have been tons of leaves falling from the live oak in the yard of the house I just moved into. What gives? I thought live oaks were evergreen. — Elizabeth Naquin ...

Oak trees are special for many reasons: they’re Iowa’s state tree, they’re important to our ecosystem and — they shouldn’t be pruned during the spring growing season.

Iowa State researchers are getting to the root of a problem with some Iowa Bur Oak trees.The disease is caused by a fungus and can first be spotted attacking the leaves on Bur Oak trees."Somebody ...

According to the Pennsylvania State Extension folks, “Beech and oak are deciduous native trees, losing their leaves each fall. But young beech, as well as their cousin oaks, not to mention ...