Johnson County, Kansas
Local growing conditions for Johnson County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 32 ZIP codes in our data.
Hardiness zones in Johnson County
Johnson County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Johnson County for its live forecast, frost dates, and planting calendar:
Gardner 66031
De Soto 66018
Edgerton 66021
Gardner 66030
Olathe 66061
Olathe 66062
Overland Park 66085
Overland Park 66202
Shawnee 66203
Overland Park 66204
Fairway 66205
Leawood 66206
Overland Park 66207
Prairie Village 66208
Leawood 66209
Overland Park 66210
Leawood 66211
Overland Park 66212
Overland Park 66213
Overland Park 66214
Lenexa 66215
Shawnee 66216
Shawnee 66217
Shawnee 66218
More for Kansas
- Agriculture in Kansas
- Frost dates across Kansas
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.