Soil Types in Humboldt County, California

Humboldt County has 35 zip codes in our database. Explore the soil types, hardiness zones, and gardening tips for this county.

Hardiness Zones

Humboldt County spans USDA zones 9a through 9b.

9a 9b

Top Cities in Humboldt County

EUREKA Unknown 95501 ALDERPOINT Unknown 95511 BLOCKSBURG Unknown 95514 MCKINLEYVILLE Unknown 95519 ARCATA Unknown 95521 BAYSIDE Unknown 95524 BLUE LAKE Unknown 95525 BRIDGEVILLE Unknown 95526 CARLOTTA Unknown 95528 FERNDALE Unknown 95536

Soil Types in Humboldt County

Humboldt County in California has 35 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 Humboldt County

Humboldt County spans USDA hardiness zones 9a through 9b. 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 Humboldt County

95501 EUREKA Unknown 95503 EUREKA Unknown 95511 ALDERPOINT Unknown 95514 BLOCKSBURG Unknown 95519 MCKINLEYVILLE Unknown 95521 ARCATA Unknown 95524 BAYSIDE Unknown 95525 BLUE LAKE Unknown 95526 BRIDGEVILLE Unknown 95528 CARLOTTA Unknown 95536 FERNDALE Unknown 95537 Unknown 95540 FORTUNA Unknown 95542 GARBERVILLE Unknown 95545 Unknown 95546 HOOPA Unknown 95547 HYDESVILLE Unknown 95549 KNEELAND Unknown 95550 KORBEL Unknown 95551 LOLETA Unknown 95553 Unknown 95554 MYERS FLAT Unknown 95555 ORICK Unknown 95556 Unknown 95558 PETROLIA Unknown 95559 Unknown 95560 REDWAY Unknown 95562 RIO DELL Unknown 95564 SAMOA Unknown 95565 SCOTIA Unknown

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