Olive, Oklahoma, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
On paper, cabbage, hazelnut, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Olive, 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 Olive 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 Olive — soil, climate, flood, and parcel records. How we handle your address.
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Olive — the short answer
Olive, Oklahoma: USDA zone 7a, about 221 days between hard freezes, across 836 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~221
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 836 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 Olive's average, not your lot's — a low corner or a tree line moves it. Against Olive's 221-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Olive
Each reading below is measured for Olive itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredOlive runs about 221 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
MeasuredOlive 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 Olive is in
Olive sits in the Cross Timbers — EPA Level III, inside the wider Great Plains. That is read at Olive's own centroid rather than borrowed from Creek County.
What Grows in Olive
Every plant below cleared Olive's own zone 7a and its 221-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Olive?
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 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
What's on the federal record near Olive
Closest first, within ~10 miles of Olive. Listing isn't leaking, and distance isn't exposure.
- Happy Corner Quick StopUnderground Storage Tanks · 1.5 mi
- 18N-08E-18 BCC 1Nitrate · 2.0 mi
- 18N-08E-33 DDD 1Nitrate · 2.5 mi
- Saye's Service StationUnderground Storage Tanks · 3.5 mi
- Silver City StoreUnderground Storage Tanks · 4.6 mi
- DRUMRIGHT STATIONBrownfields · 5.0 mi
- Mid-Continent Pipe Line Co.Underground Storage Tanks · 5.2 mi
- Hammond GroceryUnderground Storage Tanks · 5.5 mi
- Lucky Trip ConocoUnderground Storage Tanks · 5.5 mi
- Service Fracturing Co Of OklaUnderground Storage Tanks · 5.7 mi
- Arco Oil & Gas Co.Underground Storage Tanks · 6.0 mi
- Creek County Hwy Dept #2Underground Storage Tanks · 6.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Olive'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 Olive.
Total Sites
66
within ~10 miles of Olive
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Olive
Severity Distribution
within ~10 miles of Olive
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Olive, Underground Storage Tanks runs higher than the national average — 47 sites within ~10 miles of Olive. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around 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 Olive
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 Olive average
Your land is one point inside Olive
Everything above resolves to Olive as a whole — one PHZM band and one 28°F frost record, read across 836 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 Olive Average
Olive Average
- ●USDA Zones 7a, averaged across Olive
- ●One soil character for all of Olive
- ●Frost dates read at Olive's scale: Mar 28 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Olive's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Olive
Pull a site-specific report for your exact address in Olive, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Olive averages can't show:
We read public map data around Olive — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Olive average
How we know this about Olive
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 Olive’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 Olive
When does frost risk typically end in Olive?
The last hard freeze (28°F) in Olive typically lands around Mar 28, 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 18.
When is the first frost in Olive?
The first hard freeze (28°F) in Olive typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 221 days after the spring freeze cleared.
How long is the growing season in Olive?
Measured between 28°F hard freezes, Olive sees about 221 frost-free days — roughly Mar 28 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 18 to Oct 21, about 186 days.
Is the soil safe to grow vegetables in Olive?
The federal record around Olive is a meaningful one — 66 documented sites, mostly Underground Storage Tanks entries (47), the nearest Underground Storage Tanks record about 1.5 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 Olive?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Olive's scale — its 7a band and its 221-day season. Your yard writes its own version of Olive'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 Olive’s own scale
6 of the readings below were taken at Olive's own scale — its own ~221-day season between 28°F freezes, the 836 acres it covers and 66 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Olive's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Olive's own 28°F hard-freeze dates, about Mar 28 and Nov 4 and the ~221-day span between themNOAA 1991–2020 Climate Normals
- 66 documented contamination sites on the federal record near Olive, the closest Underground Storage Tanks record about 1.5 miles out from the town centreFederal environmental registers
- Olive's boundary and the 836 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~221-day seasonGrowable Ground crop-matching engine
- The ecoregion at Olive's own centroid, the Cross TimbersUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Olive's 836 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 Olive's 836 acreswhy one lot differs from the next →
- Which side of Olive you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 836 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 1.5 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 Olive-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaOlive sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides