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Arizona Master Gardener Manual - An online reference manual for gardening in the desert Southwest. Includes a text search.

Arizona (Maricopa County) Master Gardeners - "Home gardening and landscaping in the low desert including the Phoenix metropolitan area. Search engine, monthly tips, and calendar of events."

Arizona's East Valley Garden Club - Promoting interest in gardening and horticulture. Provides advice and information in solving problems related to home gardening.

Boyce Thompson Arboretum - "Located in the rugged terrain of Superior, the arboretum includes a cactus garden, a legume garden, and a demonstration garden. Virtual tours, plant and animal information."

Desert Botanical Garden - "Aims at education, research, exhibition, and conservation of desert plants of the world, especially the Southwestern United States. Descriptions and photos, information about visiting and programs, and horticultural tips."

Glendale Xeriscape Botanical Garden - "Demonstration garden at the public library using drought-tolerant plants. Virtual tour, and listing of plants grouped by water requirements, with summary information for each."

Sawmill Multicultural Art and Nature County Park - This Coconino County park includes five backyard habitat demonstration gardens feature plants native to the Colorado Plateau and provide cover and food for wildlife.

The Arboretum at Arizona State University - "Oasis of plants from around the world, encompassing the entire Tempe campus. Information about visiting and volunteering, newsletter, and plant photos and profiles."

The Arboretum at Flagstaff - "200-acre arboretum in a ponderosa pine forest, home to a large collection of high-country wildflowers. Guided tours, gift shop, nature trails, endangered plants and animals and cultivated gardens."

Tohono Chul Park - "A 49-acre desert preserve in Tucson that hosts a museum, tea room, and special events. Includes a history, photo gallery, events calendar, admission, membership, and volunteer information."

Tucson Botanical Gardens - "Ddicated to horticultural and ecological education, with 16 gardens representing a variety of gardening traditions and botanical themes. History, special events, volunteer and membership information."

University of Arizona: Campus Arboretum - "The Tucson campus holds over 500 tree species, including some of the largest specimens in Arizona. History, maps, walks, events, and information about the heritage trees."

Valley of the Sun Gardeners - "Phoenix club presents its calendar, newsletters, a range of gardening tips, and a photo gallery."