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Broomfield County Soil Data

Broomfield County, Colorado

USDA SSURGO / PHZM

Avg pH

N/A

Texture

Unknown

Drainage

N/A

Organic Matter

N/A

Hydrologic Group

N/A

Data Story

About Soil in Broomfield County, Colorado

Urban Soil Profiles in Broomfield

Broomfield County does not have specific pH or taxonomic data currently listed in the state registry. Most growers in this urban corridor expect alkaline conditions similar to the Colorado state average of 7.29.

Textural Trends of the Front Range

Measurements for sand, silt, and clay are not available for this specific jurisdiction. Its location between major agricultural counties suggests a mix of clay and silt textures that are common to the Colorado Front Range.

Intensive Gardening for Small Plots

Organic matter and available water capacity data are currently missing for Broomfield. Local urban farmers typically focus on intensive soil building with organic compost to overcome the low fertility common in most native soils.

Managed Drainage in Urban Areas

The county lacks official drainage class and hydrologic group designations. Given the heavy development in the area, local drainage is often managed through engineered systems rather than natural, undeveloped soil profiles.

Community Gardening in Zone 6a

Broomfield resides in USDA Hardiness Zone 6a, providing a reliable environment for community gardens and suburban landscaping. It is an excellent place to start a backyard plot with hardy perennials and seasonal vegetables.

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

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.

Soil Amendment Products

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Frequently Asked Questions

What type of soil does Broomfield County have?

Broomfield 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 Broomfield County's soil acidic or alkaline?

pH data is not available for Broomfield County.

What is the drainage class for Broomfield County?

Drainage class data is not currently available for Broomfield County.

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

Based on Broomfield 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 Broomfield County?

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

Soil & Planting Advisory: Broomfield County

Soil Verdict

Broomfield County is in USDA hardiness zone 6a, a moderate climate zone. where winter lows can reach -10°F. Freeze-thaw cycles are moderate; soil biology slows in winter but recovers reliably in spring, supporting a broad range of plants.

Planting Guidance

A wide plant palette is possible: deciduous trees, most shrubs, cool-season vegetables, and many perennials thrive here. Winter protection (mulch, burlap wraps) helps push the zone boundary for desired species. 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

Moderate freeze-thaw cycles naturally aerate the soil but can also cause compaction in clay-heavy areas; annual core aeration is beneficial. Organic matter amendments decompose at a moderate pace — aim for 3-5% organic content for optimal fertility. When soil temperatures drop below freezing, microbial nitrogen cycling stops; spring fertilization is more effective than late-fall application.

Regional Context

Broomfield County is somewhat warmer than the Colorado statewide average.

Other Counties in Colorado

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor

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.