Q: I have a house in Houston. Does blooming of tropical trees like Bauhinia, Erythrina and Tabebuia depend on their age or size? I plant these trees in the ground. They freeze. They come back but they ...

A: I spent 45 minutes doing my homework. I believe you have a crustose form of lichen growing on the limbs. You may already be familiar with lichens. This tree already had a heavy sampling of them on ...

Live Oak Trees, like all oak trees grow from seeds, in this case, an acorn. All oak trees also produce catkins which hang down from the oak branches in the spring, pollinate the very small oak flowers ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...