There are four species of oak trees the insect has been affecting: the coast live oak, California black oak, canyon live oak, and the Engelmann oak, according to Mace. The coast live oak is the ...

Keystone plants and trees like the Coast Live Oak and California lilac are key players in the health of your garden.

Having healthy, irrigated California live oak and sycamore trees on your property can save your house, Syphard said. They contain a lot of moisture and can be more fire-resistant than structures ...