Mulch to moderate soil temperature and retain moisture, and lots of different kinds of flowers blooming all season to attract bees and other beneficial insects. Amend your soil with good stuff too, like Happy Frog.
This post was edited by haname on Sun, Mar 3, 13 at 19:41
Here's a chart for what to plant and when, assuming metro Phoenix area....
Here is a link that might be useful: Garden Planting Chart
Knowing what to plant when is crucial to your success as a veggie gardener here. In addition to the calendar Kevin posted, the one from this site is also a good guide: Urban Farm.