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Soil Types in San Francisco County, California

San Francisco County has 27 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.

Hardiness Zones

San Francisco County spans USDA zones 10a through 10b.

Top Cities in San Francisco County

Soil Types in San Francisco County

San Francisco County in California has 27 zip codes in our database. The most common soil type is Loam, found in 0% of the county. Understanding your local soil helps you choose the right plants and amendments for your garden.

Hardiness Zones in San Francisco County

San Francisco County spans USDA hardiness zones 10a through 10b. 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.

Browse Zip Codes in San Francisco County