Larimer County, Colorado
Local growing conditions for Larimer County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 18 ZIP codes in our data.
Hardiness zones in Larimer County
Larimer County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Larimer County for its live forecast, frost dates, and planting calendar:
Red Feather Lakes 80512
Berthoud 80513
Estes Park 80515
Estes Park 80517
Fort Collins 80521
Fort Collins 80524
Fort Collins 80525
Fort Collins 80526
Fort Collins 80528
Estes Park 80532
Laporte 80535
Red Feather Lakes 80536
Loveland 80537
Fort Collins 80538
Red Feather Lakes 80545
Timnath 80547
Wellington 80549
Walden 82063
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.