The U.S. Department of Agriculture's National Arboretum has a growing-zone map and other helpful gardening information at Plant Hardiness Zone Map. The region of the map that shows Colorado is at: South-Midwest US.
These resources are brought to you by the Cooperative Extension System and your Local Institution
Welcome
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
Have a question? Try asking one of our Experts
Where is information found on plant growing zones in Colorado?
Last Updated: November 18, 2009
Have a specific question? Try asking one of our Experts
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.
