California Gardening Cooperative Extension
Resources for the California home gardener provided by the University of California.
California Gardens
Includes plant photos and descriptions; information about gardening methods and projects; and a garden calendar.
Garden California
Includes a database of landscape plants, a garden problem solver, a gardening calendar, photos, forum, and links.
Master Gardeners Online
Advice to the California home gardener from the University of California Extension. Includes tips, events, publications, projects, and links. Includes separate sections for many counties.