Soil Types in King County, Washington
King County has 1 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.
Soil Type Distribution
Silty Loam
100%
Hardiness Zones
King County spans USDA zones 8b through 8b.
Top Cities in King County
Soil Types in King County
King County in Washington has 1 zip codes in our database. The most common soil type is Silty Loam, found in 100% of the county. Understanding your local soil helps you choose the right plants and amendments for your garden.
Hardiness Zones in King County
King County is in USDA hardiness zone 8b. Your hardiness zone determines which perennial plants will survive winter in your area. Enter your zip code above to find your exact zone and get personalized planting recommendations.