Skagit County, Washington
Local growing conditions for Skagit County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 13 ZIP codes in our data.
Hardiness zones in Skagit County
Skagit County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Skagit County for its live forecast, frost dates, and planting calendar:
Anacortes 98221
Bow 98232
Burlington 98233
Clear Lake 98235
Concrete 98237
Conway 98238
Hamilton 98255
La Conner 98257
Lyman 98263
Marblemount 98267
Mount Vernon 98273
Big Lake 98274
Lyman 98284
More for Washington
- Agriculture in Washington
- Frost dates across Washington
- 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.