One day on State Park Road in Morro Bay, Beebe noticed that a car had run off the road and exposed a major root of a poison oak bush. He wondered: Does poison oak have a taproot, diving deep into ...

Park ranger Scott Sipes points out areas of poison oak in Henry Cowell State Park in Felton, Calif., Wednesday, May 24, 2017. Poison oak is very prevalent in the Bay Area after the heavy winter ...

The Morro Bay area’s popular state parks aren’t the only places to hike in the region. Two nature preserves, Elfin Forest and Sweet Springs, are good bayside jaunts for hikers and bird ...

Itch warning: Outdoor enthusiasts need to use caution to avoid poison oak after heavy rains in Northern California this past winter have resulted in an abundance of the devilish shrub.

The native plant lovers who have been busily trying to transform large chunks of San Francisco's parks must really enjoy working with the soil because they've dug quite a hole for themselves ...

"My poison-oak salad days are over, but I do intend to nibble a few leaves here and there when hiking around the Bay Area in an effort to maintain my resistance on a permanent basis," he wrote.