Sapulpa, Oklahoma, sits in USDA hardiness zone 7b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Sapulpa, 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 Sapulpa 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 Sapulpa — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Sapulpa — the short answer
Sapulpa, Oklahoma: USDA zone 7b, about 240 days between hard freezes, across 15K acres of city.
- 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 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~240
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 15K 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 Sapulpa's average, not your lot's — a low corner or a tree line moves it. Against Sapulpa's 240-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sapulpa
Each reading below is measured for Sapulpa itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSapulpa runs about 240 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
MeasuredSapulpa 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 Sapulpa is in
Sapulpa sits in the Cross Timbers — EPA Level III, inside the wider Great Plains. That is read at Sapulpa's own centroid rather than borrowed from Creek County.
What Grows in Sapulpa
Every plant below cleared Sapulpa's own zone 7b and its 240-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Sapulpa?
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 13 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
What's on the federal record near Sapulpa
Closest first, within ~10 miles of Sapulpa. Listing isn't leaking, and distance isn't exposure.
- Charles B DuggerUnderground Storage Tanks · 1900 ft
- Clark Oil Distributors, Inc.Underground Storage Tanks · 2100 ft
- Johnson's Mini MartUnderground Storage Tanks · 2100 ft
- AMERICAN CONTAINER EXCHANGEBrownfields · 2200 ft
- Sapulpa Brick CompanyUnderground Storage Tanks · 2300 ft
- Us #1Underground Storage Tanks · 2400 ft
- Beath's TexacoUnderground Storage Tanks · 0.6 mi
- FABSCO SHELL & TUBE LLCToxics Release Inventory · 0.6 mi
- RT ExpressUnderground Storage Tanks · 0.6 mi
- Former Pretty Quick #2Underground Storage Tanks · 0.6 mi
- Lee CarterUnderground Storage Tanks · 0.6 mi
- Sapulpa OfficeUnderground Storage Tanks · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sapulpa'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 Sapulpa.
Sources Checked
within ~10 miles of Sapulpa
Severity Distribution
within ~10 miles of Sapulpa
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sapulpa, Toxics Release Inventory runs higher than the national average — 92 sites within ~10 miles of Sapulpa. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Sapulpa
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 Sapulpa average
Your land is one point inside Sapulpa
Everything above resolves to Sapulpa as a whole — one PHZM band and one 28°F frost record, read across 15K 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 Sapulpa Average
Sapulpa Average
- ●USDA Zones 7b, averaged across Sapulpa
- ●One soil character for all of Sapulpa
- ●Frost dates read at Sapulpa's scale: Mar 18 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Sapulpa's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sapulpa
Pull a site-specific report for your exact address in Sapulpa, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sapulpa averages can't show:
We read public map data around Sapulpa — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sapulpa average
How we know this about Sapulpa
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 Sapulpa’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 Sapulpa
When does frost risk typically end in Sapulpa?
The last hard freeze (28°F) in Sapulpa 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 Sapulpa?
The first hard freeze (28°F) in Sapulpa typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 240 days after the spring freeze cleared.
How long is the growing season in Sapulpa?
Measured between 28°F hard freezes, Sapulpa sees about 240 frost-free days — roughly Mar 18 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 8 to Oct 30, about 205 days.
Is the soil safe to grow vegetables in Sapulpa?
The federal record around Sapulpa is a meaningful one — 652 documented sites, mostly Underground Storage Tanks entries (362), the nearest Underground Storage Tanks record about 0.4 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 Sapulpa?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Sapulpa's scale — its 7b band and its 240-day season. Your yard writes its own version of Sapulpa'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 Sapulpa’s own scale
6 of the readings below were taken at Sapulpa's own scale — its own ~240-day season between 28°F freezes, the 15,062 acres it covers and 652 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sapulpa's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Sapulpa's own 28°F hard-freeze dates, about Mar 18 and Nov 13 and the ~240-day span between themNOAA 1991–2020 Climate Normals
- 652 documented contamination sites on the federal record near Sapulpa, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Sapulpa's boundary and the 15,062 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~240-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sapulpa's own centroid, the Cross TimbersUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sapulpa's 15,062 acres read through its county's SSURGO summaryfrom Creek County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Creek 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 Creek County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sapulpa's 15,062 acreswhy one lot differs from the next →
- Which side of Sapulpa you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 15,062 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 Sapulpa-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaSapulpa sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides