Kenefic, Oklahoma, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
On paper, cabbage, fig, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Kenefic, 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 Kenefic 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 Kenefic — soil, climate, flood, and parcel records. How we handle your address.
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Kenefic — the short answer
Kenefic, Oklahoma: USDA zone 8a, about 248 days between hard freezes, across 637 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 16
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~248
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 637 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 8a is Kenefic's average, not your lot's — a low corner or a tree line moves it. Against Kenefic's 248-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Kenefic
Each reading below is measured for Kenefic itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredKenefic runs about 248 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
MeasuredKenefic sits in USDA hardiness zone 8a.
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 Kenefic is in
Kenefic sits in the Cross Timbers — EPA Level III, inside the wider Great Plains. That is read at Kenefic's own centroid, and it is not what its county reads: Bryan County is mostly East Central Texas Plains. The wider page above you is answering a different question about different ground.
What Grows in Kenefic
Every plant below cleared Kenefic's own zone 8a and its 248-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Kenefic?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 13; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 16 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
What's on the federal record near Kenefic
Closest first, within ~10 miles of Kenefic. Listing isn't leaking, and distance isn't exposure.
- Je Whitmire Dba Whitmire CoUnderground Storage Tanks · 2600 ft
- Kenefic Corner MartUnderground Storage Tanks · 0.7 mi
- Redwing ExterminatingUnderground Storage Tanks · 3.4 mi
- C And H One StopUnderground Storage Tanks · 5.4 mi
- Gerald LummusUnderground Storage Tanks · 5.5 mi
- Caddo Public School Bus BarnUnderground Storage Tanks · 5.7 mi
- Caddo Short StopUnderground Storage Tanks · 5.7 mi
- Pitmon OilUnderground Storage Tanks · 5.8 mi
- Ffp#000527 Dba Kelsey's TruckUnderground Storage Tanks · 6.0 mi
- Piper TexacoUnderground Storage Tanks · 6.2 mi
- Former Mobil BulkUnderground Storage Tanks · 6.2 mi
- Former Betty's Short StopUnderground Storage Tanks · 6.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Kenefic'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 Kenefic.
Total Sites
38
within ~10 miles of Kenefic
Risk Level
Low
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Kenefic
Severity Distribution
within ~10 miles of Kenefic
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Kenefic, Underground Storage Tanks runs higher than the national average — 30 sites within ~10 miles of Kenefic. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Kenefic
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 Kenefic average
Your land is one point inside Kenefic
Everything above resolves to Kenefic as a whole — one PHZM band and one 28°F frost record, read across 637 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 Kenefic Average
Kenefic Average
- ●USDA Zones 8a, averaged across Kenefic
- ●One soil character for all of Kenefic
- ●Frost dates read at Kenefic's scale: Mar 13 to Nov 16
YOUR Parcel
- ✓Your exact zone, not Kenefic's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Kenefic
Pull a site-specific report for your exact address in Kenefic, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Kenefic averages can't show:
We read public map data around Kenefic — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Kenefic average
How we know this about Kenefic
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 Kenefic’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 Kenefic
When does frost risk typically end in Kenefic?
The last hard freeze (28°F) in Kenefic typically lands around Mar 13, 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 3.
When is the first frost in Kenefic?
The first hard freeze (28°F) in Kenefic typically arrives around Nov 16, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 2, so the watching starts about Oct 17 — about 248 days after the spring freeze cleared.
How long is the growing season in Kenefic?
Measured between 28°F hard freezes, Kenefic sees about 248 frost-free days — roughly Mar 13 through Nov 16, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 3 to Nov 2, about 213 days.
Is the soil safe to grow vegetables in Kenefic?
The federal record around Kenefic is light — 38 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (30), the nearest Underground Storage Tanks record about 0.5 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Kenefic?
From about Oct 17 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 16 (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 16. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Kenefic's scale — its 8a band and its 248-day season. Your yard writes its own version of Kenefic'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 Kenefic’s own scale
6 of the readings below were taken at Kenefic's own scale — its own ~248-day season between 28°F freezes, the 637 acres it covers and 38 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Kenefic's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Kenefic's own 28°F hard-freeze dates, about Mar 13 and Nov 16 and the ~248-day span between themNOAA 1991–2020 Climate Normals
- 38 documented contamination sites on the federal record near Kenefic, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Kenefic's boundary and the 637 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~248-day seasonGrowable Ground crop-matching engine
- Kenefic sits in the Cross Timbers — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Kenefic's 637 acres read through its county's SSURGO summaryfrom Bryan County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Bryan 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 Bryan County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Kenefic's 637 acreswhy one lot differs from the next →
- Which side of Kenefic you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 637 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Kenefic-wide figureread your own land →