Sacramento Chapter of Master Gardeners
http://cesacramento.ucdavis.edu/

California Garden Club; Golden Foothills District
http://www.californiagardenclubs.org/html/Districts/goldenfoothills.html

Farmer Fred" Radio Talk Show
http://www.farmerfred.com/

Monrovia Horticulture Craftsmen
http://www.monrovia.com/index.php

Weeks Roses
http://www.weeksroses.com/index.htm

Jackson & Perkins Roses
http://www.jproses.com/index.php

Dr. Earth
http://www.drearth.com/

Dave Wilson Nursery
http://www.davewilson.com/

Placer County Master Gardener
http://ceplacer.ucdavis.edu/Master_Gardener803/

California Association of Nurseries and Garden Centers (CANGC)
http://www.cangc.org/

California Native Plant Society
California Native Plant Society

Sunset Climate Zone
Find your Sunset Climate Zone

UC Davis
UC Davis Integrated Pest Management Program