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The Landscape Evaluation Guide, available now through GardenBookStore.net , combines HMI’s innovative plant replacement cost calculator with the Cool Springs Press library of garden care instructions and maintenance. As the nation’s leading state-specific garden book publisher, Cool Springs Press has long held a comprehensive library of garden content, documenting the care and growing instructions for thousands of plants. Their state-specific garden guides have been a staple for zonal gardening. For contractors working with homeowners whose plant palette may cross zones and styles, this product represents a single resource stop. “There is no superfluous content, no thumbing through pages,” says Cool Springs Press President & CEO Roger Waynick. “The technology now exists to give each (Landscape Contractor) exactly what they need in a garden resource guide.”
Using a custom user interface, the user is prompted to provide simple home address information. Based on growing region, the system provides a comprehensive list of trees and shrubs most popular in that area. From this list, it’s possible to select specific trees and shrubs and provide height and diameter specifications. Once complete, the system computes an overall value based on key measurements and market value. A four-color custom book starting at $29.95, complete with valuable maintenance instructions per plant, is delivered via Cool Springs Press print-on-demand services. The title represents the only four-color, customized garden book on the market today, and provides an invaluable tool that can significantly improve the understanding and appreciation for garden landscapes.
“The HMI database represents the only ‘Kelley Blue Book’ standard for plants,” says HMI President & CEO Doug Cowles. “Now that our database and replacement cost calculator is available through partnership with Cool Springs Press, we’ve eliminated a major expense and barrier for every US landscape contractor homeowner.”
Francisco Uviña, University of New Mexico
Hardscape Oasis in Litchfield Park
Ash Nochian, Ph.D. Landscape Architect
November 12th, 2025
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