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

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 ...

Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. John Manion is a guy who know his plants. That's ...

Despite the fact that we describe live oaks as evergreen, they drop their leaves every year in late February or early March. I guess we still call them evergreens because the transition happens so ...

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 Answer: ...