Missouri Hardiness Zones

Missouri covers USDA plant hardiness zones 5b to 8a on the 2023 map, so its coldest areas average −15 to −10 °F on the coldest winter night. Find your zone by ZIP code, or pick a city below for its zone, sunrise and daylight by month.

Missouri hardiness zone map

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This is not the official USDA Plant Hardiness Zone Map. Zones are derived from the official 2023 dataset, resampled to about 2 km. Dots mark cities with their own page.

Source: USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture, planthardiness.ars.usda.gov. Underlying data © PRISM Group, Oregon State University, prism.oregonstate.edu, accessed 2026-08-30.

Zones and daylight by city

City	Zone	Coldest night	Longest day	Shortest day
Kansas City	6b	−5 to 0 °F	14h 55m	9h 25m
St. Louis	7a	0 to 5 °F	14h 52m	9h 28m
Springfield	6b	−5 to 0 °F	14h 43m	9h 36m
Columbia	6b	−5 to 0 °F	14h 54m	9h 26m
Independence	6b	−5 to 0 °F	14h 55m	9h 25m
Lee's Summit	6b	−5 to 0 °F	14h 54m	9h 26m
Jefferson City	6b	−5 to 0 °F	14h 52m	9h 28m
Joplin	7a	0 to 5 °F	14h 43m	9h 37m

Gardening in Missouri?

Your zone says what survives winter. Deconstruct Sun measures how many hours of direct sun your exact spot gets, so you can pick plants that thrive. Free on iPhone.

Questions

What hardiness zones are in Missouri?

Missouri spans USDA zones 5b to 8a on the 2023 map. Among its larger cities, Kansas City is coldest (zone 6b) and St. Louis is warmest (zone 7a).

How do I find my exact zone in Missouri?

Enter your ZIP code in the hardiness zone lookup on this site. It reads the 2023 USDA data for that ZIP and warns you if you are near a zone boundary.

How much sun do gardens in Missouri get?

In Kansas City, an open spot gets up to 14.9 hours of daylight in June but only 9.4 in December. Trees and buildings cut that down, especially in winter. The Deconstruct Sun app measures the real direct-sun hours for one exact spot.