General Reference

• The American Horticulture Society, A-Z Encyclopedia of Garden Plants (DK Publishing).
• Brian Capon, Botany for Gardeners (Timber Press).
• Ruth Rogers Clausen and Thomas Christopher, The Proven Winners Garden Book: Simple Plans, Picture-Perfect Plants, and Expert Advice for Creating a Gorgeous Garden (Timber Press).
• John Cretti and Mary Ann Newcomer, Rocky Mountain Gardener's Handbook: All You Need to Know to Plan, Plant & Maintain a Rocky Mountain Garden. (Cool Springs Press).
• Richard Dickinson and France Royer, Weeds of North America (University of Chicago Press).
• Derek Fell, Encyclopedia of Hardy Plants: Annuals, Bulbs, Herbs, Perennials, Shrubs, Trees, Vegetables, Fruits and Nuts (Firefly Books).
• Jeff Lowenfels, Teaming with Fungi: The Organic Grower's Guide to Mycorrhizae (Timber Press).
• Jeff Lowenfels, Teaming with Microbes: The Organic Gardener's Guide to the Soil Food Web (Timber Press).
• Jeff Lowenfels, Teaming with Nutrients: The Organic Gardener’s Guide to Optimizing Plant Nutrition (Timber Press).
• Scott Ogden, Gardening Success with Difficult Soils: Limestone, Alkaline Clay, and Caliche Soils (Taylor Trade Publishing).
• Scott Ogden and Lauren Springer Ogden, Plant-Driven Design: Creating Gardens That Honor Plants, Place, and Spirit (Timber Press).
• Sunset Magazine, Sunset Western Garden Book (Sunset Publishing Corporation).

Perennials

• Allan Armitage, Herbaceous Perennial Plants (Stipes Publishing).
• Stephanie Cohen and Nancy J. Ondra, The Perennial Gardener's Design Primer (Workman Publishing Company).
• William Cullina, Native Ferns, Moss, and Grasses: From Emerald Carpet to Amber Wave, Serene and Sensuous Plants for the Garden (Houghton Mifflin Harcourt).
• Rick Darke, The Encyclopedia of Grasses for Livable Landscapes (Timber Press).
• Roy Diblik, The Know Maintenance Perennial Garden (Timber Press).
• Tracy DiSabato-Aust, The Well-Tended Perennial Garden (Timber Press).
• Noel Kingsbury and Piet Oudolf, Planting: A New Perspective (Timber Press).
• Lauren Springer Ogden, The Undaunted Garden (Fulcrum Publishing).
• Nancy J. Ondra, Grasses: Versatile Partners for Uncommon Garden Design (Storey Publishing).
• John M. Valleau, Perennial Gardening Guide (Valleybrook International Venture).

Trees and Shrubs

• Brooklyn Botanic Garden, The Tree Care Primer (Brooklyn Botanic Garden).
• Whitney Cranshaw, David Leatherman, William R Jacobi, and Ned A. Tisserat, Insects and Diseases of Woody Plants in Colorado (Colorado State University Extension).
• Michael A. Dirr, Dirr's Hardy Trees and Shrubs (Timber Press).
• Michael A. Dirr, Manual of Woody Landscape Plants (Stipes Publishing).
• Michael A. Dirr and Keith S. Warren, The Tree Book: Superior Selections for Landscapes, Streetscapes, and Gardens (Timber Press).
• Edward F. Gilman, An Illustrated Guide to Pruning (Cengage Learning).
• Eric Gossler, Marjory Gossler and Roger Gossler, The Gossler Guide to the Best Hardy Shrubs: More than 350 Expert Choices for Your Garden (Timber Press).
• Michael Richard Kuhns, Trees of Utah and the Intermountain West: A Guide to Identification and Use (Utah State University Press).
• Plants for A Future, Edible Shrubs: 70+ Top Shrubs (Plants for A Future).
• Janet Meakin Poor and Nancy Peterson Brewster, Plants That Merit Attention: Shrubs(Timber Press).
• Janet Meakin Poor and Nancy Peterson Brewster, Plants That Merit Attention: Trees (Timber Press).

Natives and Waterwise Landscaping

• David A. Bainbridge, Gardening with Less Water: Low-Tech, Low-Cost Techniques (Storey Publishing).
• Denver Water and Rob Proctor, Xeriscape Plant Guide (Fulcrum Publishing).
• Terry Keane, Water-Wise Landscaping (Utah State University Extension).
• Jim Knopf, Waterwise Landscaping with Trees, Shrubs & Vines (Chamisa Books).
• Wendy Mee, Jaren Barnes, Roger Kjelgren, Richard Sutton, Teresa Cerny and Craig Johnson, Water Wise: Native Plants for Intermountain Landscapes (Utah State University Press).
• Susan E. Meyer, Roger K. Kjelgren, Darrel G. Morrison and William A. Varga, Landscaping on the New Frontier: Waterwise Design for the Intermountain West (Utah State University Press).
• Gary Paul Nabhan, Growing Food in a Hotter, Drier Land (Chelsea Green Publishing).
• Robert Nold, High and Dry: Gardening with Cold-Hardy Dryland Plants (Timber Press).
• Pam Penick, The Water-Saving Garden: How to Grow a Gorgeous Garden with a Lot Less Water (Ten Speed Press).
• Plant Select, Pretty Tough Plants: 135 Resilient, Water-Smart Choices for a Beautiful Garden (Timber Press).
• Johanna Silver, The Bold Dry Garden: Lessons from The Ruth Bancroft Garden (Timber Press).
• Nan Sterman, Hot Color, Dry Garden: Inspiring Designs and Vibrant Plants for the Waterwise Gardener (Timber Press).
• Lauren Springer Ogden and Scott Ogden, Waterwise Plants for Sustainable Gardens Book: 200 Drought-Tolerant Choices for all Climates (Timber Press).
• Utah State University Extension, Combinations for Conservation by The Center for Water Efficient Landscaping (Utah State University Extension).

Pollinator Friendly Gardening

• George Adams, Gardening for the Birds: How to Create a Bird-Friendly Backyard (Timber Press).
• Whitney Cranshaw and David Shetlar, Garden Insects of North America: The Ultimate Guide to Backyard Bugs (Princeton University Press).
• Paige Embry, Our Native Bees: North America’s Endangered Pollinators and the Fight to Save Them (Timber Press).
• Eric Grissell, Bees, Wasps, and Ants: The Indispensable Role of Hymenoptera in Gardens (Timber Press).
• Jessica Walliser, Attracting Beneficial Bugs to Your Garden: A Natural Approach to Pest Control (Timber Press).
• Joseph S. Wilson and Olivia Messinger Carril, The Bees in Your Backyard: A Guide to North America's Bees (Princeton University Press).
• The Xerces Society, 100 Plants to Feed the Bees: Provide a Healthy Habitat to Help Pollinators Thrive (Timber Press).
• The Xerces Society, Gardening for Butterflies: How You Can Attract and Protect Beautiful, Beneficial Insects (Timber Press).
• The Xerces Society, Attracting Native Pollinators: Protecting North America’s Bees and Butterflies (Timber Press).

Ethnobotanical

• M. Kat Anderson, Tending the Wild Native American Knowledge and the Management of California's Natural Resources (University of California Press).
• Michael J. Balick and Paul Alan Cox, Plants, People and Culture: The Science of Ethnobotany (W. H. Freeman and Company).
• Ben-Erik van Wyk, Food Plants of the World: An Illustrated Guide (Timber Press).
• Ben-Erik van Wyk and Michael Wink, Medicinal Plants of the World (Timber Press).
• Dominique Cardon, Natural Dyes: Sources, Traditions, Technology & Science (Archetype Books).
• Anthony B. Cunningham, Applied Ethnobotany: People, Wild Plant Use & Conservation (Earthscan Publications).
• Kenneth Heil, Steve O'Kane Jr., Linda Mary Reeves, and Arnold Clifford, Flora of the Four Corners Region: Vascular Plants of the San Juan River Drainage: Arizona, Colorado, New Mexico, and Utah (Monographs in Systematic Botany from the Missouri Botanical Garden Press).
• Robin Wall Kimmerer, Braiding Sweetgrass: Indigenous Wisdom, Scientific Knowledge and the Teachings of Plants (Milkweed Editions).
• Gary J. Martin, Ethnobotany: A Methods Manual (Routledge).
• Terence McKenna, Food of the Gods: The Search for the Original Tree of Knowledge: A Radical History of Plants, Drugs, and Human Evolution (Bantam).
• D. Shane Miller, From Colonization to Domestication: Population, Environment, and the Origins of Agriculture in Eastern North America (University of Utah Press).
• Charles F. Millspaugh and Ellwood S. Harrar, American Medicinal Plants: An Illustrated and Descriptive Guide to Plants Indigenous to and Naturalized in the United States Which Are Used in Medicine (Dover Publications).
• Daniel E. Moerman, Native American Ethnobotany (Timber Press).
• Michael Moore, Los Remedios: Traditional Herbal Remedies of the Southwest (Museum of New Mexico Press).
• Gary Paul Nabhan, Ethnobiology for the Future (University of Arizona Press).
• National Geographic Society, Edible: An Illustrated Guide to the World's Food Plants (National Geographic Society).
• Christian Rätsch, The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications (Inner Traditions – Bear & Company).
• Richard Evans Schultes, Albert Hofmann, and Christian Rätsch, Plants of the Gods: Their Sacred, Healing, and Hallucinogenic Powers (Healing Arts Press – Simon & Schuster).
• Mark J. Plotkin, Tales of a Shaman's Apprentice: An Ethnobotanist Searches for New Medicines in the Rain Forest (Penguin Group).