Linn County, Oregon
Local growing conditions for Linn County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 17 ZIP codes in our data.
Hardiness zones in Linn County
Linn County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Linn County for its live forecast, frost dates, and planting calendar:
Albany 97321
Albany 97322
Brownsville 97327
Cascadia 97329
Crabtree 97335
Crawfordsville 97336
Cascadia 97345
Halsey 97348
Idanha 97350
Waterloo 97355
Mill City 97360
Scio 97374
Shedd 97377
Sweet Home 97386
Tangent 97389
Harrisburg 97446
Camp Sherman 97759
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.