Here are some good gardening resources we have found and recommend.

From Inside California:

• California Master Gardener Handbook, Second Edition (Not free but excellent.)
• California Garden Web
• The California Backyard Orchard
• UC Guide to Healthy Lawns
• UC ANR Chill Hours Calculator
• Backyard Poultry Resources Page
• Food Safety in Your Home Garden

Relevant Information from Other States:

• Colorado State University Extension's online gardening resources
• University of Idaho's home garden resources
• Vegetable Planting Calendar for Maricopa County, AZ. (Useful for low desert gardeners as a starting point.)