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Printer Friendly Version. Understanding the USDA planting zones you live in can mean the difference between success and failure in your garden. Planting plants, vegetables and flowers that are appropriate for your US growing zone will make sure that your garden is happy and healthy year after year.
By understanding your planting zone for Colorado, you will be more successful in your efforts to create a wonderful garden. To find your Colorado hardiness zone, locate the place on the map where you live. The color of that area can be matched to the legend at the right.The legend will tell you your planting zone for Colorado. This growing zone map is based on the 2012 USDA Colorado plant hardiness zones map.The USDA plant hardiness zone map was revised at that time to show the new climates that have resulted over the past few decades due to global warming.nderstanding your planting zone in Colorado will increase your ability to create a garden that can flourish from year to year. Planting vegetables, trees, flowers and other plants that are appropriate for your zone will make your gardening less frustrating.