Weld County, Colorado
Local growing conditions for Weld County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 35 ZIP codes in our data.
Hardiness zones in Weld County
Weld County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Weld County for its live forecast, frost dates, and planting calendar:
Firestone 80504
Dacono 80514
Erie 80516
Firestone 80520
Frederick 80530
Johnstown 80534
Mead 80542
Milliken 80543
Severance 80546
Windsor 80550
Pierce 80610
Briggsdale 80611
Nunn 80612
Eaton 80615
Evans 80620
Fort Lupton 80621
Briggsdale 80622
Gilcrest 80623
Kersey 80624
Greeley 80631
Greeley 80634
Hudson 80642
Keenesburg 80643
Kersey 80644
More for Colorado
- Agriculture in Colorado
- Frost dates across Colorado
- 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.