Gardening Zone for Zipcode Search:
Average Last Frost May 21 - May 31
Average Last Frost Jun. 1 - Jun. 10
Average Last Frost Jun. 11 - Jun. 20
Average Last Frost Jun. 21 - Jun. 30
Average Last Frost Jul. 1 - Jul. 10
Average Last Frost Jul. 11 - Jul. 20
Drought Conditions for Adjacent States
Arizona Last Frost MapKansas Last Frost Map
Nebraska Last Frost Map
New Mexico Last Frost Map
Oklahoma Last Frost Map
Utah Last Frost Map
Wyoming Last Frost Map
Other Interactive Gardening Maps and Data for Colorado
Colorado First Frost Date MapColorado Drought Conditions Map
Interactive Map of Colorado Ecoregions
Interactive Colorado Plantmaps Hardiness Zone Map
Interactive Colorado USDA Hardiness Zone Map
Interactive Map of Colorado Heat Zones
Interactive Maps of Native Colorado Trees and Plants
Zoom to Major Cities in Colorado
Arvada Last Frost: May 11 - May 20Aurora Last Frost: May 11 - May 20Boulder Last Frost: May 1 - May 10Colorado Springs Last Frost: May 21 - May 31Denver Last Frost: May 1 - May 10Fort Collins Last Frost: May 1 - May 10Grand Junction Last Frost: Apr. 21 - Apr. 30Lakewood Last Frost: May 11 - May 20Littleton Last Frost: May 11 - May 20Pueblo Last Frost: May 1 - May 10