What Grows in Baca County, Colorado

USDA Zones 6b · 1.6M acres

Baca County, in Colorado, sits in USDA hardiness zone 6b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.

Growers here do well with colorado blue spruce, tomato, penstemon, and apple — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.

Baca County lies within the High Plains — a regional growing area with its own character.

Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals

Score your parcel · free

Baca County holds more than one microclimate.

Soils and elevations shift across Baca County, so your frost dates and drainage aren't the county average. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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Quick Facts

USDA Zones

6b

Last Hard Freeze (28°F)

Mar 29

County normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 3

County normal — light frosts arrive a few weeks earlier

County Area

1.6M acres

Hardiness Zone Range

6b6b
3a (Cold)13b (Hot)

Zone maps are averages across Baca County. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil in Baca County

Across Baca County, the ground is predominantly Alfisols, where Baca, Wiley, and Campo are the most extensive named soil series. The soil is generally well drained with a loam surface. Topsoil pH runs about 7.2–7.9, slightly alkaline. Rainfall drains through hydrologic group C soils.

Soil order

Alfisols

Drainage

Well drained

Hydric soils

0%

Soil still varies lot by lot — soil types explained.

Is it too late to plant in Baca County?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.

Growing Challenges in Colorado

What an experienced grower plans around here — each one has a move.

Low annual rainfall (7-20 inches) means irrigation is essential nearly everywhere

Build the irrigation first — drip plus mulch makes a high-desert garden run on remarkably little water.

High altitude UV and temperature swings stress plants

Harden transplants gradually, shade-cloth their first high-sun week, and keep row covers handy for cold nights.

Very short growing season at elevation (60-90 frost-free days above 8,000 ft)

Above 8,000 feet, count your real frost-free days and choose varieties bred to finish inside them.

Alkaline soils (pH 7.5-8.5) limit acid-loving plants without amendment

A soil test tells you your actual pH — grow acid-lovers in containers of amended mix while the native ground grows everything else.

For cultivar selection, pest pressure, and planting-time guidance specific to Colorado, the Colorado State University Extension is the authoritative local source.

Safe to Grow Here?

What the federal record shows across Baca County — and how to grow with it.

Federal record: Moderate

We checked the federal record across Baca County142 documented sites across 6 of the 9 source types we track.

The most significant on record: 1 Toxics Release Inventory facility. Active industrial facilities reporting chemical releases to air, water, and land.

The federal record across Baca County is a modest one — a typical footprint for a growing area. Nothing here calls for alarm; it's worth knowing which recorded sites sit closest to where you grow, and each one on the map carries its type and location. If one turns out to be a near neighbor, a one-time soil test settles the question.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

142

across Baca County

Risk Level

Moderate

Highest-severity

1 Toxics Release Inventory facility

Severity Distribution

across Baca County

High0Moderate113Low29

Highest-Severity Sites

28S-45W-19 Bbo1 Cos-1055
Nitrate Monitoring · Well
28S-45W-19 Bbo1 Cos-1055
Nitrate Monitoring · Well
43W-28S-28 Bb01 Cos-1074
Nitrate Monitoring · Well
43W-28S-28 Bb01 Cos-1074
Nitrate Monitoring · Well
Ada
Mining Sites · Prospect

A note from Gnorman

What an experienced grower watches for around here

In and around Baca County, two things run higher than the national average — Mining (36 sites) and Nitrate (70 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.

Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Free Report

Check your specific parcel in Baca County

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Baca County Average

  • USDA Zones 6b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your parcel in Baca County

Pull a site-specific report for your exact address in Baca County, Colorado — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Baca County, Colorado

  • USDA Hardiness Zones: 6b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 29 (county normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 3 (county normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~219 (county normal, NOAA 1991–2020 Climate Normals)
  • County Land Area: 1.6M acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. County boundaries: US Census TIGER/Line 2025.

Frost dates here are the Baca County average. Low spots and tree cover move them by days on any one yard — see your exact frost windows.

Frequently Asked Questions

What hardiness zone is Baca County, Colorado?

Baca County sits in USDA hardiness zone 6b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Baca County?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.

When does frost risk typically end in Baca County?

The last hard freeze (28°F) in Baca County typically lands around Mar 29, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

How long is the growing season in Baca County?

Measured between 28°F hard freezes, Baca County sees about 219 frost-free days — roughly Mar 29 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops get a somewhat shorter practical window, since lighter frosts reach a few weeks past the hard-freeze dates on both ends.

What vegetables grow in Baca County?

Baca County's zone 6b supports a wide range — strong performers include Colorado Blue Spruce, Tomato, Penstemon, Apple, and Peach. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Baca County, really?

Officially, Baca County sits in USDA zone 6b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Baca County?

The federal record around Baca County shows 142 documented sites — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.

Just moved to Baca County — what should I know before planting?

Start with three facts. Baca County sits in USDA zone 6b, which sets what survives winter; the last 28°F hard freeze typically clears around Mar 29, with about 219 frost-free days to work with (NOAA 1991–2020 climate normals); and 142 documented sites sit on the federal record — a typical footprint for a growing area, worth a look on the contamination map before food beds. From there, matching plants to your actual soil and sun is the fun part.

Everything on this page is a Baca County average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.