Hulbert, 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.
Reliable performers under these conditions include cabbage, prickly pear, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Hulbert, 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 Hulbert 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 Hulbert — soil, climate, flood, and parcel records. How we handle your address.
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Hulbert — the short answer
Hulbert, Oklahoma: USDA zone 7b, about 234 days between hard freezes, across 716 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 22
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 11
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~234
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 716 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 Hulbert's average, not your lot's — a low corner or a tree line moves it. Against Hulbert's 234-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Hulbert
Each reading below is measured for Hulbert itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHulbert runs about 234 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
MeasuredHulbert 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 Hulbert is in
Hulbert sits in the Boston Mountains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Hulbert's own centroid, and it is not what its county reads: Cherokee County is mostly Ozark Highlands. The wider page above you is answering a different question about different ground.
What Grows in Hulbert
Every plant below cleared Hulbert's own zone 7b and its 234-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Hulbert?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 22; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 22 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 11 — 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 Hulbert
Closest first, within ~10 miles of Hulbert. Listing isn't leaking, and distance isn't exposure.
- Hulbert Public SchoolUnderground Storage Tanks · 250 ft
- Hulbert Super StopUnderground Storage Tanks · 400 ft
- BOBS MACHINE SHOPBrownfields · 400 ft
- Country CornerUnderground Storage Tanks · 1200 ft
- Lost City FeedUnderground Storage Tanks · 1200 ft
- Childers StationUnderground Storage Tanks · 2000 ft
- LAKE REGION ELECTRIC COOPERATIVEBrownfields · 2000 ft
- J & LUnderground Storage Tanks · 2400 ft
- Lake Region Electric Coop Inc.Underground Storage Tanks · 0.6 mi
- Shady Grove SchoolUnderground Storage Tanks · 3.1 mi
- Clear Creek Trading PostUnderground Storage Tanks · 4.0 mi
- Bulletts Country StoreUnderground Storage Tanks · 4.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Hulbert'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 Hulbert.
Total Sites
85
within ~10 miles of Hulbert
Risk Level
Moderate
Highest-severity
1 Toxics Release Inventory facility
Sources Checked
within ~10 miles of Hulbert
Severity Distribution
within ~10 miles of Hulbert
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Hulbert, Underground Storage Tanks runs higher than the national average — 67 sites within ~10 miles of Hulbert. That's not a problem with your land — it's information about 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 Hulbert
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 Hulbert average
Your land is one point inside Hulbert
Everything above resolves to Hulbert as a whole — one PHZM band and one 28°F frost record, read across 716 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 Hulbert Average
Hulbert Average
- ●USDA Zones 7b, averaged across Hulbert
- ●One soil character for all of Hulbert
- ●Frost dates read at Hulbert's scale: Mar 22 to Nov 11
YOUR Parcel
- ✓Your exact zone, not Hulbert's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Hulbert
Pull a site-specific report for your exact address in Hulbert, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Hulbert averages can't show:
We read public map data around Hulbert — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Hulbert average
How we know this about Hulbert
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 Hulbert’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 Hulbert
When does frost risk typically end in Hulbert?
The last hard freeze (28°F) in Hulbert typically lands around Mar 22, 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 12.
When is the first frost in Hulbert?
The first hard freeze (28°F) in Hulbert typically arrives around Nov 11, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 28, so the watching starts about Oct 12 — about 234 days after the spring freeze cleared.
How long is the growing season in Hulbert?
Measured between 28°F hard freezes, Hulbert sees about 234 frost-free days — roughly Mar 22 through Nov 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 12 to Oct 28, about 199 days.
Is the soil safe to grow vegetables in Hulbert?
The federal record around Hulbert shows 85 documented sites, mostly Underground Storage Tanks entries (67), 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 Hulbert?
From about Oct 12 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 11 (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 11. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Hulbert's scale — its 7b band and its 234-day season. Your yard writes its own version of Hulbert'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 Hulbert’s own scale
6 of the readings below were taken at Hulbert's own scale — its own ~234-day season between 28°F freezes, the 716 acres it covers and 85 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Hulbert's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Hulbert's own 28°F hard-freeze dates, about Mar 22 and Nov 11 and the ~234-day span between themNOAA 1991–2020 Climate Normals
- 85 documented contamination sites on the federal record near Hulbert, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Hulbert's boundary and the 716 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~234-day seasonGrowable Ground crop-matching engine
- Hulbert sits in the Boston Mountains — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Hulbert's 716 acres read through its county's SSURGO summaryfrom Cherokee County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Cherokee 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 Cherokee County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Hulbert's 716 acreswhy one lot differs from the next →
- Which side of Hulbert you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 716 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 Hulbert-wide figureread your own land →
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