Q: I have a pine tree on the edge of my lawn that has clusters of mushrooms coming up around the base of the trunk. My friend told me these mushrooms are a sign that the tree has rotting roots and the ...

The fungal disease “oak root rot” (Armillaria mellea) has evolved with California oaks and other native plants. It is parasitic on oaks and other plant species, but if these plants are growing in our ...

Winter gardening on the Peninsula means pruning roses, choosing seeds for spring planting and checking trees for early signs ...