If you spend enough time looking at and working with plants, you’ll inevitably come across galls. Galls are abnormal growths and can be caused by a variety of different organisms, including insects ...

Joseph Stewart, Department of Environmental Science and Policy, UC Davis Jessica Wright, Pacific Southwest Research Station, USDA Forest Service; James Thone, Department of Environmental Science and ...

A: Oak seeds are found inside acorns, which are the fruits produced by these great, native trees. Not to gross anyone out, but those aren’t seeds.

Here's how to grow an oak tree from a germinated acorn with these easy-to-follow instructions on how to collect, properly prepare, and plant an acorn.

Black oak generally grows to about 80 feet tall, but like the willow oak, some can grow to be 100 feet tall. The crown of the tree is spreading, which makes this a good shade tree.