Coast Live Oak Falls Prey to Gophers

gopher eaten stump

You know it’s dry when gophers start taking down trees.

Why is that? Well, normally tree roots make up part of your standard gopher diet. They’ll tunnel down to a tree’s root ball, chow down for a little while, and then move on. But as long as they only eat part of the roots – which is usually how it goes – the tree can still get plenty of nutrients and water from the soil, so it remains healthy. … Read more >>

Tiny Pests Pose Big Threats to Native Trees

Photo: Mike Lewis

You won’t see it if you’re not looking for it, but you’ll know it was there. No bigger than a baby’s fingernail, the gold-spotted oak borer (GSOB) can devastate a 300-year-old oak tree that has withstood storms and quakes and even the quick and astounding rise of urban pollution in the 20th century. But if individual trees were all that was at stake, the oak borer wouldn’t pose such a threat. The truth is, this invasive pest could wipe out every native oak in California.… Read more >>