Placer County, California
Local growing conditions for Placer County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 30 ZIP codes in our data.
Hardiness zones in Placer County
Placer County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Placer County for its live forecast, frost dates, and planting calendar:
North Auburn 95603
Meadow Vista 95602
Carnelian Bay 95604
Foresthill 95631
Lincoln 95648
Loomis 95650
Penryn 95658
Roseville 95661
Penryn 95663
Rocklin 95677
Roseville 95678
Sheridan 95681
Alta 95701
Meadow Vista 95703
Colfax 95713
Dutch Flat 95714
Alta 95715
Dutch Flat 95717
Meadow Vista 95722
Kingvale 95728
Meadow Vista 95736
Granite Bay 95746
Roseville 95747
Rocklin 95765
More for California
- Agriculture in California
- Frost dates across California
- 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.