I just found out about this group that some of you permies out there might be interested in, especially those on the Westside, but there are chapters throughout the city.  It's the California Rare Fruit Growers and they have great monthly speakers in Santa Monica from how to graft, to backyard citrus growing.  Their homepage is at 
<a href="http://mysite.verizon.net/res1vdt9/">http://mysite.verizon.net/res1vdt9/</a><br><br><br>