By seed: arugula, beets, broccoli, brussels sprouts, cauliflower, corn and summer squash.
By transplant: arugula, beets, brussels sprouts, and summer squash. Local nurseries should have a good supply of most of these.
To find a list of warm season vegetables that do well in Santa Clara County, go to: http://mastergardeners.org/picks/warm.html or call the hotline.