The Low Water Flower Gardener (The Natural Garden Series) by Eric A. Johnson

The Undaunted Garden - Planting for Weather-Resilient Beauty by Lauren Springer

The Xeriscape Flower Gardener by Jim Knopf  
                                             
The Zen of Gardening in the High and Arid West, Tips, Tools, and Techniques by Davin Wann

Colorado Wildscapes, Bringing Conservation Home by The Audubon Society

Creating the Prairie Xeriscape: Low-Maintenance, Water-Efficient Gardening by Sara Williams

Drought Resistant Planting Throughout the Year by Beth Chatto

Dryland Gardening: Plants that Survive and Thrive in Tough Conditions by Jennifer Bennett

Gardening with Altitude: Cultivating a New Western Style by Denver Botanic Gardens

Native Plants for Southwest Landscapes by Judy Mielke

Passionate Gardening, Good Advice for Challenging Climates by Lauren Springer and Rob Proctor

Waterwise Garden Care- Your Practical Guide by David Salmans

Waterwise Landscaping with Trees, Shrubs, and Vines: A Xeriscape Guide for the Rocky Mountain Region, California, and The Desert Southwest by Jim Knopf

Xeriscape Color Guide: 100 Waterwise Plants for Gardens and Landscapes by David Winger and Denver Water

Xeriscape Colorado, The Complete Guide by David Winger and Connie Ellefson

Xeriscape Plant Guide Edited by David Winger