Soil Types in Petroleum County, Montana
Petroleum County has 1 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.
Hardiness Zones
Petroleum County spans USDA zones 4b through 4b.
Top Cities in Petroleum County
Soil Types in Petroleum County
Petroleum County in Montana has 1 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 Petroleum County
Petroleum County is in USDA hardiness zone 4b. 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.