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Soil Types in St. Lawrence County, New York

St. Lawrence County has 41 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.

Maps show what is typical for St. Lawrence County, New York. A home test kit tells you the pH and nutrient levels of your yard.As an Amazon Associate, we earn from qualifying purchases.

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Test before you amend

Our data is drawn from USDA soil surveys, so it describes the dominant soil across an area — useful for planning, not precise enough for dosing lime or fertiliser. Before you buy amendments for St. Lawrence County, New York, run a test on the bed you actually garden: pH and N-P-K vary from one end of a yard to the other.

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Hardiness Zones

St. Lawrence County spans USDA zones 4a through 5a.

4a 4b 5a

Top Cities in St. Lawrence County

Soil Types in St. Lawrence County

St. Lawrence County in New York has 41 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. Lawrence County

St. Lawrence County spans USDA hardiness zones 4a through 5a. 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. Lawrence County