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 ...

DEAR GARDEN COACH: Help! I recently discovered these crazy looking things on the leaves of my valley oak tree. I am wondering what is wrong, and what can I do to get rid of them? I know the tree is ...

Scientists are investigating the reasons some plants still wear last season’s tattered clothes.

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 ...