Elgin, Oklahoma, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Growers here do well with cabbage, prickly pear, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Elgin, 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 Elgin lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Elgin — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Elgin — the short answer
Elgin, Oklahoma: USDA zone 7b, about 244 days between hard freezes, across 2K acres of city.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~244
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 7b is Elgin's average, not your lot's — a low corner or a tree line moves it. Against Elgin's 244-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Elgin
Each reading below is measured for Elgin itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredElgin runs about 244 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredElgin sits in USDA hardiness zone 7b.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Elgin is in
Elgin sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Elgin's own centroid rather than borrowed from Comanche County.
What Grows in Elgin
Every plant below cleared Elgin's own zone 7b and its 244-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Elgin?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near Elgin
Closest first, within ~10 miles of Elgin. Listing isn't leaking, and distance isn't exposure.
- Eddie's Toot-N-ToteUnderground Storage Tanks · 1400 ft
- Scott's Super StopUnderground Storage Tanks · 1400 ft
- Elgin's 66 StationUnderground Storage Tanks · 1400 ft
- Barnetts GarageUnderground Storage Tanks · 1900 ft
- Food & FuelUnderground Storage Tanks · 0.6 mi
- Elgin Public SchoolsUnderground Storage Tanks · 0.6 mi
- BAE SYSTEMSToxics Release Inventory · 0.8 mi
- BAE SYSTEMSBrownfields · 0.8 mi
- Kelly's Bait and TackleUnderground Storage Tanks · 1.2 mi
- Comanche County District #1Underground Storage Tanks · 1.8 mi
- Sanders StationUnderground Storage Tanks · 3.7 mi
- Fletcher StationUnderground Storage Tanks · 3.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Elgin's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Elgin.
Sources Checked
within ~10 miles of Elgin
Severity Distribution
within ~10 miles of Elgin
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Elgin, two things run higher than the national average within ~10 miles of Elgin — Superfund (3 sites) and Nitrate (38 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Elgin
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Elgin average
Your land is one point inside Elgin
Everything above resolves to Elgin as a whole — one PHZM band and one 28°F frost record, read across 2K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at city scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Elgin Average
Elgin Average
- ●USDA Zones 7b, averaged across Elgin
- ●One soil character for all of Elgin
- ●Frost dates read at Elgin's scale: Mar 15 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Elgin's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Elgin
Pull a site-specific report for your exact address in Elgin, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Elgin averages can't show:
We read public map data around Elgin — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Elgin average
How we know this about Elgin
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Elgin’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at city grain anywhere on this page — there is no city-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Elgin
When does frost risk typically end in Elgin?
The last hard freeze (28°F) in Elgin typically lands around Mar 15, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 5.
When is the first frost in Elgin?
The first hard freeze (28°F) in Elgin typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 244 days after the spring freeze cleared.
How long is the growing season in Elgin?
Measured between 28°F hard freezes, Elgin sees about 244 frost-free days — roughly Mar 15 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 5 to Oct 31, about 209 days.
Is the soil safe to grow vegetables in Elgin?
The federal record around Elgin is a meaningful one — 118 documented sites, mostly Underground Storage Tanks entries (67), the nearest Underground Storage Tanks record about 0.3 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Elgin?
From about Oct 15 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 14 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Elgin's scale — its 7b band and its 244-day season. Your yard writes its own version of Elgin's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Elgin’s own scale
6 of the readings below were taken at Elgin's own scale — its own ~244-day season between 28°F freezes, the 2,391 acres it covers and 118 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Elgin's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Elgin's own 28°F hard-freeze dates, about Mar 15 and Nov 14 and the ~244-day span between themNOAA 1991–2020 Climate Normals
- 118 documented contamination sites on the federal record near Elgin, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Elgin's boundary and the 2,391 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~244-day seasonGrowable Ground crop-matching engine
- The ecoregion at Elgin's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Elgin's 2,391 acres read through its county's SSURGO summaryfrom Comanche County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Comanche County
- The growing challenges every Oklahoma grower plans around — written at state scale, so they stay on the state guidefrom Oklahoma
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Comanche County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Elgin's 2,391 acreswhy one lot differs from the next →
- Which side of Elgin you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,391 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Elgin-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaElgin sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides