Lady Bird Johnson Wildflower Center - The mission of the Lady Bird Johnson Wildflower Center is to increase the sustainable use and conservation of native wildflowers, plants and landscapes. To this end, this website provides a large collection of landscape design pictures and wildflower information showcasing a wide variety of native wildflowers.
Xeriscape Landscape Plants for the Arizona Desert Environment - This site offers users a large collection of xeriscaping pictures and information. With a database sorted by common or scientific names, along with several pages showcasing trees, shrubs, and other specific types of plants, you're sure to find some helpful information here.
High Country Xerisccape Council of Arizona - The High Country Xeriscape Council of Arizona is a non-profit educational organization whose sole purpose is to support water conservation methods in the home and business landscape setting. Whether you have large landscaping area or just a small garden, this organization can offer help for your needs through free information online and a variety of workshops and seminars that they sponsor.
USDA Plants Database - Created by the United States Department of Agriculture Natural Resources Conservation Service, this site offers a database of plants found in the state of Arizona. Here, you will find a list of plants, sorted by their scientific names, with links to individual plant pages that contain more specific information.