Monterey County Soil Data

Monterey County, California

Avg pH

6.6

Texture

Loam

Drainage

N/A

Organic Matter

2.5%

Hydrologic Group

D

Data Story

About Soil in Monterey County, California

The Slightly Alkaline Coastal Ground

Monterey County features a soil pH of 6.64, which is slightly higher than the national median of 6.5. This chemical profile provides a stable foundation for the region's diverse and productive agricultural industry. While the taxonomic order is not recorded here, the soil remains a cornerstone of the local economy.

A Sandy Foundation for Growth

The soil contains 45.8% sand, 30.5% silt, and 21.9% clay. This sand-heavy mixture ensures rapid drainage but can make nutrient retention more challenging for local growers. Consistent organic amendments are often used to balance this texture for better farming results.

Fertility in the Salad Bowl

Organic matter in Monterey averages 2.50%, falling below the California state average of 3.30%. However, the available water capacity matches the state benchmark exactly at 0.141 in/in. This combination supports the intensive vegetable production that makes the region famous.

Managing High Runoff Potential

Belonging to hydrologic group D, Monterey's soil typically exhibits a high runoff potential when wet. This characteristic requires careful land management to prevent erosion and ensure water penetrates the root zone. Precise irrigation strategies are essential for both large farms and home gardens.

Thriving in Hardiness Zone 9b

Monterey's 9b zone is a premier environment for cool-season crops like artichokes and strawberries. The coastal climate and reliable water capacity create an ideal setting for year-round cultivation. Now is the perfect time to start a garden and enjoy the bounty of this rich agricultural heritage.

Soil Composition

Loam
Sand: 45.8%
Silt: 30.5%
Clay: 21.9%
Loam

Soil pH

6.6pH
6.6439841297509
Strongly AcidicSlightly AcidicNeutralSlightly AlkalineStrongly Alkaline
Ideal lawn range: 6.0 - 7.0

Soil Series

Detailed soil series data not yet available for this county.

Hydrologic Group

Group D — High Runoff

Clay soils with very slow infiltration rates. Highest runoff potential. These soils have a permanent high water table or are shallow over impervious material.

Runoff potential:High

Drainage Class

Drainage class data not available.

Soil Profile

Dominant texture: Loam

O HorizonOrganic layer
0-2"
A HorizonTopsoil
2-10"
B HorizonSubsoil
10-30"
C HorizonParent material
30-60"
R HorizonBedrock
60"+

Typical soil profile. Actual depths vary by location.

Frequently Asked Questions

What type of soil does Monterey County have?

Monterey County's soil is classified as Loam. This indicates the relative proportions of sand, silt, and clay — 46% sand, 30% silt, and 22% clay. Loamy soils hold moisture well and support a wide range of plants.

Is Monterey County's soil acidic or alkaline?

Monterey County's soil has a pH of 6.6, which is near neutral. This range is ideal for most garden plants and field crops.

What is the drainage class for Monterey County?

Drainage class data is not currently available for Monterey County.

What crops or plants grow well in Monterey County's soil?

Based on Monterey County's Loam texture, pH of 6.6, and drainage class, the soil is well suited for vegetables, grains, and most field crops, row crops and vegetable gardens.

What USDA soil order is found in Monterey County?

The dominant USDA soil order for Monterey County is not currently available in our dataset.

Other Counties in California

Soil data sourced from USDA SSURGO via Soil Data Access. Data is informational only and should not be used as a substitute for on-site soil testing. Contact your local NRCS office for site-specific soil information.