Marion County, Oregon
Local growing conditions for Marion County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 26 ZIP codes in our data.
Hardiness zones in Marion County
Marion County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Marion County for its live forecast, frost dates, and planting calendar:
Aurora 97002
Donald 97020
Gervais 97026
Hubbard 97032
Woodburn 97071
St. Paul 97137
Salem 97301
Salem 97302
Keizer 97303
Salem 97305
Salem 97306
Salem 97310
Salem 97317
Aumsville 97325
Idanha 97342
Gates 97346
Jefferson 97352
Gates 97358
Mount Angel 97362
Mount Angel 97373
Scotts Mills 97375
Silverton 97381
Stayton 97383
Mehama 97384
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.