The tree disease that exploded in Bay Area forests three decades ago, stunning residents with vast die-offs in parks and neighborhoods before slowing, has opened a new front with a second, potentially ...

What is wrong with my live oak? I hope it’s not a disease, since I have five others in my yard, and I don’t want it to spread ...

Burls, the mysterious bulbous growths on trees, are valuable to artisans and can fetch thousands of dollars, but should only be purchased from legitimate salvage operations to avoid poaching from ...