Mount Diablo Wildflower Guide
Owl's Clover, Purple Owl's Clover
Scientific Name:
Family:
Blooms:
Facts:
Castilleja exserta
Orobanchaceae
Mar - May

Photo:
Mike Woodring
Park Alerts [updated on 02/04/20]
The Summit and Mitchell Canyon Visitor Centers are closed.
Juniper and Live Oak campgrounds are open however all group campgrounds remain closed. Check the MDSP website for updates.
All park visitors must distance themselves from others by the required 6 feet. Stay Safe.
Water Shortage: All visitors are encouraged to bring water for consumption during their visit. Plan Ahead.
Scientific Name:
Family:
Blooms:
Facts:
Castilleja exserta
Orobanchaceae
Mar - May
Photo:
Mike Woodring