What Grows in Horntown, Oklahoma

USDA Zones 7a-8b · 3K acres

Horntown, Oklahoma, sits in USDA hardiness zones 7a-8b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.

Among the crops suited to this profile: pecan, tomato, okra, and redbud. The site-level story — soil, sun, drainage — decides the rest.

Score your parcel · free

Even in Horntown, no two yards are alike.

A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Horntown lot. 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

7a-8b

Last Hard Freeze (28°F)

Feb 12

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Dec 13

Town normal — light frosts arrive a few weeks earlier

Town Area

3K acres

Hardiness Zone Range

7a
8b
3a (Cold)13b (Hot)

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

Soil varies lot by lot — soil types explained.

Is it too late to plant in Horntown?

Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 13 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

Growing Challenges in Oklahoma

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

Extreme weather variability (tornadoes, ice storms, drought)

Flexible beats fortified here: row covers staged, storm-tough perennials, and quick-replant annual beds.

Red clay soils drain poorly in central OK

A raised bed ends the standing-water fight in a weekend, and fall compost keeps opening the clay below.

Low western rainfall requires irrigation

Western plots run on drip and mulch — plan the water before the planting and the dry years lose their teeth.

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

Environmental Intelligence

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

Total Sites

73

within ~10 miles of Horntown

Risk Level

Moderate

Highest-severity

1 Toxics Release Inventory facility

Severity Distribution

within ~10 miles of Horntown

High2Moderate26Low45

Highest-Severity Sites

Holdenville
PFAS Sampling · PFAS Detected
Okfuskee CO. Rwd #3
PFAS Sampling · PFAS Detected
Blondie'S Truck Stop & Diner
Underground Storage Tanks · Open UST(S)
Calvin Quick Stop
Underground Storage Tanks · Open UST(S)
D3
Underground Storage Tanks · Open UST(S)

A note from Gnorman

What an experienced grower watches for around here

In and around Horntown, two things run higher than the national average — CAFO (3 sites) and Underground Storage Tanks (56 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

CAFO: CAFOs pose a different contamination profile than chemical sources.

Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.

Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.

Use raised beds with imported soil — this eliminates the primary soil-contact pathway.

Free Report

Check your specific parcel in Horntown

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

Horntown Average

  • USDA Zones 7a-8b
  • 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 specific parcel in Horntown

Pull a site-specific report for your exact address in Horntown, Oklahoma — 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 Horntown, Oklahoma

  • USDA Hardiness Zones: 7a-8b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Feb 12 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Dec 13 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~304 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 3K acres (US Census TIGER 2025)

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

Frequently Asked Questions

What hardiness zone is Horntown, Oklahoma?

Horntown sits in USDA hardiness zones 7a-8b, 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 Horntown?

Almost never — the real question is what to plant next. Cool-season crops can go in from around Jan 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 13 — long-season crops need about 90 days of runway, quick greens only 30. And with a calendar this mild, the honest answer is that planting barely stops — winter opens seasons colder regions never see.

When does frost risk typically end in Horntown?

The last hard freeze (28°F) in Horntown typically lands around Feb 12, 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.

When is the first frost in Horntown?

The first hard freeze (28°F) in Horntown typically arrives around Dec 13, per NOAA 1991–2020 climate normals — the point most tender summer crops finish. Lighter frosts usually reach a couple of weeks earlier, so watch the forecast from late summer on and harvest or cover tender plants before the first cold night.

What vegetables grow in Horntown?

Horntown's zones 7a-8b support a wide range — strong performers include Pecan, Tomato, Okra, Redbud, and Blackberry. 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 Horntown, really?

Officially, Horntown sits in USDA zones 7a-8b (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 Horntown?

The federal record around Horntown shows 73 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.

How do I protect my plants from frost in Horntown?

As the season closes around the first 28°F hard freeze near Dec 13 (NOAA 1991–2020 climate normals), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.

Everything on this page is a Horntown 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.