To assist Missouri gardeners, Plantmaps has derived zones indicating the average number of days each year that an area experiences temperatures over 86 degrees F. These zones are derived from the historical climate data from the National Weather Service.
Plantmaps Heat Zone 415 - 30 days > 86°F | Plantmaps Heat Zone 531 - 45 days > 86°F | Plantmaps Heat Zone 646 - 60 days > 86°F |
Cape Girardeau - Heat Zone 7
Columbia - Heat Zone 6
Independence - Heat Zone 6
Joplin - Heat Zone 7
Kansas City - Heat Zone 7
O'Fallon - Heat Zone 6
Saint Charles - Heat Zone 7
Saint Joseph - Heat Zone 6
Saint Louis - Heat Zone 7
Saint Peters - Heat Zone 7
Springfield - Heat Zone 7