What is the most common soil type in St. Louis County, Missouri?

The most common soil type in St. Louis County is Loam, found in approximately 0% of zip codes. Enter your zip code to find the exact soil type in your area.

What USDA hardiness zone is St. Louis County?

St. Louis County spans zones 6b through 7a. The specific zone varies by location and elevation.

What grows well in St. Louis County?

With Loam soil and zones 6b to 7a, St. Louis County supports a variety of plants. Check our plant recommendations for your specific zip code and soil type.

Soil Types in St. Louis County, Missouri

St. Louis County has 43 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.

Hardiness Zones

St. Louis County spans USDA zones 6b through 7a.

6b 7a

Top Cities in St. Louis County

CHESTERFIELD Unknown 63005 BALLWIN Unknown 63011 EUREKA Unknown 63025 FLORISSANT Unknown 63031 GLENCOE Unknown 63038 GROVER Unknown 63040 HAZELWOOD Unknown 63042 MARYLAND HEIGHTS Unknown 63043 BRIDGETON Unknown 63044 EARTH CITY Unknown 63045

Soil Types in St. Louis County

St. Louis County in Missouri has 43 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 St. Louis County

St. Louis County spans USDA hardiness zones 6b through 7a. 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 St. Louis County

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