Multi-use Plant Info (including Tucson Water-Requirement Calculations & Rain-Garden Zones)
Plants For A Future
An online resource center for rare and unusual plants, particularly those which have edible, medicinal or other uses. According to their website, they practice vegan-organic permaculture with emphasis on creating an ecologically sustainable environment based largely on perennial plants. Their database includes over 7,000 plants.
Example Plant Lists, Rain-Garden Zones, & Water-Requirement Calculations for Tucson
Click to view/download: *APPENDIX 4: Example Plant Lists, Rain-Garden Zone/Locations for Listed Plants, and Water-Requirement Calculations for Tucson, Arizona, plus a Sonoran-Desert-Foods Harvest Calendar–2nd edition* (PDF)