Q: I just noticed this bark damage in my otherwise healthy looking mature live oak. It seems like it happened almost overnight. I have woodpeckers and squirrels, but I have not seen much activity ...

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 ...