Whippoorwill, Oklahoma, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Reliable performers under these conditions include cabbage, hazelnut, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Whippoorwill, 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 Whippoorwill 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 Whippoorwill — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Whippoorwill — the short answer
Whippoorwill, Oklahoma: USDA zone 7a, about 230 days between hard freezes, across 130 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~230
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 130 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 Whippoorwill's average, not your lot's — a low corner or a tree line moves it. Against Whippoorwill's 230-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Whippoorwill
Each reading below is measured for Whippoorwill itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWhippoorwill runs about 230 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
MeasuredWhippoorwill 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 Whippoorwill is in
Whippoorwill sits in the Cross Timbers — EPA Level III, inside the wider Great Plains. That is read at Whippoorwill's own centroid rather than borrowed from Osage County.
What Grows in Whippoorwill
Every plant below cleared Whippoorwill's own zone 7a and its 230-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Whippoorwill?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 25; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 25 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — 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 Whippoorwill
Closest first, within ~10 miles of Whippoorwill. Listing isn't leaking, and distance isn't exposure.
- Jacks Bait ShopUnderground Storage Tanks · 1200 ft
- Dobbie's Bait ShopUnderground Storage Tanks · 1.2 mi
- The Country StoreUnderground Storage Tanks · 1.4 mi
- Phillips 66 Co #040067Underground Storage Tanks · 2.3 mi
- Bowring SchoolUnderground Storage Tanks · 2.4 mi
- Herd R FacilityUnderground Storage Tanks · 5.0 mi
- 28N-10E-33 ADA 1Nitrate · 6.3 mi
- 35S 12E 18ABB 01Nitrate · 6.7 mi
- 27N-10E-13 DBB 1 MW6Nitrate · 7.1 mi
- 29N-10E-29 BCA 0Nitrate · 7.3 mi
- 29N-10E-29 BCA 2Nitrate · 7.7 mi
- Bartlesville, Ok VorUnderground Storage Tanks · 7.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Whippoorwill'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 Whippoorwill.
Total Sites
34
within ~10 miles of Whippoorwill
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Whippoorwill
Severity Distribution
within ~10 miles of Whippoorwill
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Whippoorwill, Nitrate runs higher than the national average — 24 sites within ~10 miles of Whippoorwill. 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 Whippoorwill
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 Whippoorwill average
Your land is one point inside Whippoorwill
Everything above resolves to Whippoorwill as a whole — one PHZM band and one 28°F frost record, read across 130 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 Whippoorwill Average
Whippoorwill Average
- ●USDA Zones 7a, averaged across Whippoorwill
- ●One soil character for all of Whippoorwill
- ●Frost dates read at Whippoorwill's scale: Mar 25 to Nov 10
YOUR Parcel
- ✓Your exact zone, not Whippoorwill's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Whippoorwill
Pull a site-specific report for your exact address in Whippoorwill, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Whippoorwill averages can't show:
We read public map data around Whippoorwill — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Whippoorwill average
How we know this about Whippoorwill
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 Whippoorwill’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 Whippoorwill
When does frost risk typically end in Whippoorwill?
The last hard freeze (28°F) in Whippoorwill typically lands around Mar 25, 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 15.
When is the first frost in Whippoorwill?
The first hard freeze (28°F) in Whippoorwill typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 230 days after the spring freeze cleared.
How long is the growing season in Whippoorwill?
Measured between 28°F hard freezes, Whippoorwill sees about 230 frost-free days — roughly Mar 25 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 15 to Oct 27, about 195 days.
Is the soil safe to grow vegetables in Whippoorwill?
The federal record around Whippoorwill is a meaningful one — 34 documented sites, mostly Nitrate entries (24), the nearest Underground Storage Tanks record about 0.2 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 Whippoorwill?
From about Oct 11 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Whippoorwill's scale — its 7a band and its 230-day season. Your yard writes its own version of Whippoorwill'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 Whippoorwill’s own scale
6 of the readings below were taken at Whippoorwill's own scale — its own ~230-day season between 28°F freezes, the 130 acres it covers and 34 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Whippoorwill's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Whippoorwill's own 28°F hard-freeze dates, about Mar 25 and Nov 10 and the ~230-day span between themNOAA 1991–2020 Climate Normals
- 34 documented contamination sites on the federal record near Whippoorwill, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Whippoorwill's boundary and the 130 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~230-day seasonGrowable Ground crop-matching engine
- The ecoregion at Whippoorwill's own centroid, the Cross TimbersUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Whippoorwill's 130 acres read through its county's SSURGO summaryfrom Osage County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Osage 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 Osage County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Whippoorwill's 130 acreswhy one lot differs from the next →
- Which side of Whippoorwill you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 130 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Whippoorwill-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaWhippoorwill sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides