Tehama County Soil Data
Tehama County, California
USDA SSURGO / PHZMAvg pH
N/A
Texture
Unknown
Drainage
N/A
Organic Matter
N/A
Hydrologic Group
N/A
Data Story
About Soil in Tehama County, California
Foundations of the Sacramento Valley
Tehama County's specific soil pH and taxonomic data are currently not reflected in regional datasets. For a healthy garden, homeowners should aim for the national median pH of 6.5 to ensure nutrient uptake. Testing your own soil is the best way to determine your starting point.
A landscape of varying textures
Specific percentages for sand, silt, and clay are unavailable for the county as a whole. The region typically transitions from volcanic soils in the east to alluvial deposits near the Sacramento River. These variations mean your soil could range from heavy clay to light, silty loam.
Striving for California's fertility standards
While local organic matter data is limited, the state average of 3.30% provides a clear target for soil improvement. Improving available water capacity to reach the state average of 0.141 in/in will help plants survive the hot valley summers. Regular mulching is a great way to build this missing fertility.
Observing water movement in Tehama
Hydrologic and drainage records for the county are limited, so site-specific observation is key. Proper drainage prevents the drowning of root systems during the rainy season and prevents salt accumulation. Watch for standing water after irrigation to identify potential drainage bottlenecks.
Garden success in zone 9b
Tehama County falls within USDA zone 9b, supporting a vast array of Mediterranean crops like olives and grapes. The long, sunny days provide ample energy for photosynthesis regardless of the soil's starting composition. Start your gardening journey today by enriching your local earth with organic material.
Soil Composition
Composition data not available for this county.
Soil pH
pH data not available for this county.
Soil Series
Detailed soil series data not yet available for this county.
Hydrologic Group
Hydrologic group data not available.
Drainage Class
Drainage class data not available.
Soil Profile
Dominant texture: Unknown
Typical soil profile. Actual depths vary by location.
USDA Soil Orders
Soil Amendment Products
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Browse Soil AmendmentsFrequently Asked Questions
What type of soil does Tehama County have?
Tehama County's soil is classified as Unknown. This indicates the relative proportions of sand, silt, and clay — sand percentage unavailable, silt percentage unavailable, and clay percentage unavailable. Sandy soils drain quickly but may need more frequent irrigation and fertilization.
Is Tehama County's soil acidic or alkaline?
pH data is not available for Tehama County.
What is the drainage class for Tehama County?
Drainage class data is not currently available for Tehama County.
What crops or plants grow well in Tehama County's soil?
Based on Tehama County's Unknown texture, soil pH, and drainage class, the soil is well suited for a variety of crops depending on local conditions.
What USDA soil order is found in Tehama County?
The dominant USDA soil order for Tehama County is not currently available in our dataset.
Soil & Planting Advisory: Tehama County
Soil Verdict
Tehama County is in USDA hardiness zone 9b, a warm climate zone. where winter lows can reach 25°F. Warm winters keep soil biology active nearly year-round, accelerating decomposition but increasing pest and disease pressure in topsoil.
Planting Guidance
Tropical and subtropical plants are viable. Year-round gardening is possible, though summer heat may limit some cool-season crops. Frost is rare; tender plants can overwinter with minimal protection. Always match plant selections to the specific microclimate of your property — low spots, slopes, and wind exposure can shift effective hardiness by half a zone.
Soil Implications
Rapid organic matter turnover means soils can become nutrient-poor quickly; test annually and fertilize based on results. High soil temperatures favor certain soilborne pathogens; practice crop rotation and avoid overwatering.
Regional Context
Tehama County closely matches the California average hardiness conditions. The zone range of 9a-9b within the county means soil and planting decisions should account for local elevation and topography.
Planning your lawn? View lawn care data for Tehama County on LawnByCounty.com →
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.