Snohomish County, Washington
Local growing conditions for Snohomish County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 27 ZIP codes in our data.
Hardiness zones in Snohomish County
Snohomish County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Snohomish County for its live forecast, frost dates, and planting calendar:
Everett 98201
Everett 98204
Mukilteo 98275
Mill Creek East 98012
Edmonds 98020
Bothell 98021
Edmonds 98026
Alderwood Manor 98036
Lynnwood 98037
Mountlake Terrace 98043
North Lynnwood 98087
Everett 98203
Everett 98207
Eastmont 98208
Arlington Heights 98223
Darrington 98241
May Creek 98251
Verlot 98252
Baring 98256
Lake Cassidy 98258
Marysville 98270
Lake Goodwin 98271
Woods Creek 98272
Three Lakes 98290
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.