Below are some related services/organizations that you might find useful.  

Walter Andersen Nursery 

San Diego's independent nursery since 1928.

Southwest Boulder & Stone 

Landscape rock and supply superstore servicing commercial and residential customers since 1989.

Dr. Earth

Dr. Earth creates cutting-edge natural/organic garden-friendly products.

Permaculture Institute 

Permaculture Institute is a nonprofit organization dedicated to the promotion of permaculture.

Leaf It 2 Us 

San Diego certified arborist.