Yamhill County, Oregon
Local growing conditions for Yamhill County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Yamhill County
Yamhill County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Yamhill County for its live forecast, frost dates, and planting calendar:
Amity 97101
Carlton 97111
Dayton 97114
Dundee 97115
Lafayette 97127
McMinnville 97128
Newberg 97132
Yamhill 97148
Grand Ronde 97347
Sheridan 97378
Grand Ronde 97396
More for Oregon
- Agriculture in Oregon
- Frost dates across Oregon
- 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.