Missouri Climate Overview
Missouri's central location creates a humid continental climate with hot, humid summers and cold winters. The long growing season in southern Missouri rivals many Southern states. Container gardening allows flexibility to manage Missouri's variable weather and take advantage of the extended season in urban heat islands.
Regional Climates
St. Louis Metro: Zone 6b. 180-200 day season. Hot, humid summers.
Kansas City: Zone 6a. 175-195 day season. More continental.
Southern Missouri: Zone 6b-7a. 190-215 day season. Near-Southern climate.
Northern Missouri: Zone 5b. 160-180 day season. Colder winters.