|Keep it simple...an old sheet covers our potted tomatoes|
A neighbor who is new to Tucson called the other night to ask about covering her native cactus, and I told her that the true native Sonoran desert cacti should be just fine.
But if you have non-native frost sensitive plants, you may want to grab some old sheets and get out there tonight and cover them up.
Click the link for Marylee's article:
Desert Gardens for Small Spaces - Frost Protection