Waynoka, Oklahoma, sits in USDA hardiness zone 7a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Crops well matched to these conditions include cabbage, hazelnut, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Waynoka, 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 Waynoka 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 Waynoka — soil, climate, flood, and parcel records. How we handle your address.
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Waynoka — the short answer
Waynoka, Oklahoma: USDA zone 7a, about 218 days between hard freezes, across 711 acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~218
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 711 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 7a is Waynoka's average, not your lot's — a low corner or a tree line moves it. Against Waynoka's 218-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Waynoka
Each reading below is measured for Waynoka itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWaynoka runs about 218 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
MeasuredWaynoka sits in USDA hardiness zone 7a.
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 Waynoka is in
Waynoka sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Waynoka's own centroid rather than borrowed from Woods County.
What Grows in Waynoka
Every plant below cleared Waynoka's own zone 7a and its 218-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Waynoka?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 2; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 30 (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. 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 Waynoka
Closest first, within ~10 miles of Waynoka. Listing isn't leaking, and distance isn't exposure.
- Gtsw-Waynoka Central OfficeUnderground Storage Tanks · 400 ft
- Waynoka Jiffy TripUnderground Storage Tanks · 550 ft
- Waynoka Car CareUnderground Storage Tanks · 650 ft
- City Of WaynokaUnderground Storage Tanks · 700 ft
- Kerr Mcgee #6882Underground Storage Tanks · 900 ft
- Lite N NiteUnderground Storage Tanks · 950 ft
- CdrUnderground Storage Tanks · 1200 ft
- Santa FeUnderground Storage Tanks · 1200 ft
- Dacoma Coop Waynoka BranchUnderground Storage Tanks · 1200 ft
- B&B SupplyUnderground Storage Tanks · 2000 ft
- DNRTRUCKING LLCBrownfields · 2100 ft
- PEPL SEILING 102 GATEBrownfields · 2300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Waynoka'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 Waynoka.
Total Sites
60
within ~10 miles of Waynoka
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Waynoka
Severity Distribution
within ~10 miles of Waynoka
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Waynoka, Nitrate runs higher than the national average — 32 sites within ~10 miles of Waynoka. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Waynoka
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 Waynoka average
Your land is one point inside Waynoka
Everything above resolves to Waynoka as a whole — one PHZM band and one 28°F frost record, read across 711 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 Waynoka Average
Waynoka Average
- ●USDA Zones 7a, averaged across Waynoka
- ●One soil character for all of Waynoka
- ●Frost dates read at Waynoka's scale: Mar 30 to Nov 3
YOUR Parcel
- ✓Your exact zone, not Waynoka's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Waynoka
Pull a site-specific report for your exact address in Waynoka, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Waynoka averages can't show:
We read public map data around Waynoka — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Waynoka average
How we know this about Waynoka
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 Waynoka’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 Waynoka
When does frost risk typically end in Waynoka?
The last hard freeze (28°F) in Waynoka typically lands around Mar 30, 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 20.
When is the first frost in Waynoka?
The first hard freeze (28°F) in Waynoka typically arrives around Nov 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 20, so the watching starts about Oct 4 — about 218 days after the spring freeze cleared.
How long is the growing season in Waynoka?
Measured between 28°F hard freezes, Waynoka sees about 218 frost-free days — roughly Mar 30 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 20 to Oct 20, about 183 days.
Is the soil safe to grow vegetables in Waynoka?
The federal record around Waynoka shows 60 documented sites, mostly Nitrate entries (32), the nearest Underground Storage Tanks record under a tenth of a mile 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 Waynoka?
From about Oct 4 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Waynoka's scale — its 7a band and its 218-day season. Your yard writes its own version of Waynoka'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 Waynoka’s own scale
6 of the readings below were taken at Waynoka's own scale — its own ~218-day season between 28°F freezes, the 711 acres it covers and 60 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Waynoka's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Waynoka's own 28°F hard-freeze dates, about Mar 30 and Nov 3 and the ~218-day span between themNOAA 1991–2020 Climate Normals
- 60 documented contamination sites on the federal record near Waynoka, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Waynoka's boundary and the 711 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~218-day seasonGrowable Ground crop-matching engine
- The ecoregion at Waynoka's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Waynoka's 711 acres read through its county's SSURGO summaryfrom Woods County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Woods 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 Woods County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Waynoka's 711 acreswhy one lot differs from the next →
- Which side of Waynoka you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 711 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Waynoka-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaWaynoka sits outside our named growing regions, so Oklahoma as a whole is its closest context here.