Erin Springs, Oklahoma, sits in USDA hardiness zone 7b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Crops well matched to these conditions include cabbage, prickly pear, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Erin Springs, 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 Erin Springs 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 Erin Springs — soil, climate, flood, and parcel records. How we handle your address.
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Erin Springs — the short answer
Erin Springs, Oklahoma: USDA zone 7b, about 241 days between hard freezes, across 112 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 18
- 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
- ~241
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 112 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 Erin Springs's average, not your lot's — a low corner or a tree line moves it. Against Erin Springs's 241-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Erin Springs
Each reading below is measured for Erin Springs itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredErin Springs runs about 241 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
MeasuredErin Springs 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 Erin Springs is in
Erin Springs sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Erin Springs's own centroid rather than borrowed from Garvin County.
What Grows in Erin Springs
Every plant below cleared Erin Springs's own zone 7b and its 241-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Erin Springs?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 18 (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. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
What's on the federal record near Erin Springs
Closest first, within ~10 miles of Erin Springs. Listing isn't leaking, and distance isn't exposure.
- Erin Spring Superette MarketUnderground Storage Tanks · 2200 ft
- Rural Electric CoopUnderground Storage Tanks · 0.8 mi
- Otis Engineering CorporationUnderground Storage Tanks · 0.9 mi
- BAKER HUGHES OILFIELD OPERATIONS - 1315 SE 4TH STREETBrownfields · 0.9 mi
- IRI INTERNATIONAL CORPBrownfields · 1.0 mi
- Creg Tucker ConstructionUnderground Storage Tanks · 1.2 mi
- Webb Oil Co IncUnderground Storage Tanks · 1.3 mi
- M & H Quick StopUnderground Storage Tanks · 1.5 mi
- Former Steve Hall Oil CoUnderground Storage Tanks · 1.5 mi
- Rossie BarnesUnderground Storage Tanks · 1.6 mi
- 04N-04W-15 1Nitrate · 1.6 mi
- City Of LindsayUnderground Storage Tanks · 1.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Erin Springs'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 Erin Springs.
Total Sites
67
within ~10 miles of Erin Springs
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Erin Springs
Severity Distribution
within ~10 miles of Erin Springs
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Erin Springs, Underground Storage Tanks runs higher than the national average — 46 sites within ~10 miles of Erin Springs. That's not a problem with your land — it's information about it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Erin Springs
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 Erin Springs average
Your land is one point inside Erin Springs
Everything above resolves to Erin Springs as a whole — one PHZM band and one 28°F frost record, read across 112 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 town 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 Erin Springs Average
Erin Springs Average
- ●USDA Zones 7b, averaged across Erin Springs
- ●One soil character for all of Erin Springs
- ●Frost dates read at Erin Springs's scale: Mar 18 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Erin Springs's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Erin Springs
Pull a site-specific report for your exact address in Erin Springs, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Erin Springs averages can't show:
We read public map data around Erin Springs — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Erin Springs average
How we know this about Erin Springs
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Erin Springs’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 town grain anywhere on this page — there is no town-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 Erin Springs
When does frost risk typically end in Erin Springs?
The last hard freeze (28°F) in Erin Springs typically lands around Mar 18, 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 8.
When is the first frost in Erin Springs?
The first hard freeze (28°F) in Erin Springs 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 241 days after the spring freeze cleared.
How long is the growing season in Erin Springs?
Measured between 28°F hard freezes, Erin Springs sees about 241 frost-free days — roughly Mar 18 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 8 to Oct 31, about 206 days.
Is the soil safe to grow vegetables in Erin Springs?
The federal record around Erin Springs shows 67 documented sites, mostly Underground Storage Tanks entries (46), the nearest Underground Storage Tanks record about 0.4 miles out — 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 Erin Springs?
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 Erin Springs's scale — its 7b band and its 241-day season. Your yard writes its own version of Erin Springs'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 Erin Springs’s own scale
6 of the readings below were taken at Erin Springs's own scale — its own ~241-day season between 28°F freezes, the 112 acres it covers and 67 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Erin Springs's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Erin Springs's own 28°F hard-freeze dates, about Mar 18 and Nov 14 and the ~241-day span between themNOAA 1991–2020 Climate Normals
- 67 documented contamination sites on the federal record near Erin Springs, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Erin Springs's boundary and the 112 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~241-day seasonGrowable Ground crop-matching engine
- The ecoregion at Erin Springs's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Erin Springs's 112 acres read through its county's SSURGO summaryfrom Garvin County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Garvin 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 Garvin County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Erin Springs's 112 acreswhy one lot differs from the next →
- Which side of Erin Springs you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 112 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Erin Springs-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaErin Springs sits outside our named growing regions, so Oklahoma as a whole is its closest context here.