One of the easiest ways to tell a red oak from a white oak is by looking at the leaves. Red oak leaves have pointed lobes and white oak leaves have rounded ones. (Adobe Stock / Field & Stream) Leaves ...

Few average Joes can correctly identify every species of oak growing in North America. That’s the kind of Final Jeopardy-level knowledge typically reserved for foresters, wildlife biologists, and very ...

Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on 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 ...

As a big fan of easy-to-identify trees, I was happy to see chestnut oak while hiking Mt. Agamenticus last week. I usually rely upon leaves to identify most tree species, so winter tree identification ...

As temperatures in the First State start to increase, people will be spending more time outdoors. Whether gardening or hiking, Delaware residents need to be on the lookout for certain plants that will ...

QUESTION: I have a beautiful water oak that's about 60 years old. The tree has been losing many leaves over the last couple weeks. The falling leaves have brown wrinkled spots on them. Is there any ...