In the meantime, have an HOA that's giving you some trouble about your low water plantings? Here's your backup:
"...a provision of any of the governing documents of a common interest development shall be void and unenforceable if it ... Prohibits, or includes conditions that have
the effect of prohibiting, the use of low water-using plants as a group..."
Have you had a bad or good experience with your HOA? Tell us about it in a comment!