Sand Hill, 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.
Among the crops suited to this profile: cabbage, prickly pear, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Sand Hill, 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 Sand Hill 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 Sand Hill — soil, climate, flood, and parcel records. How we handle your address.
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Sand Hill — the short answer
Sand Hill, Oklahoma: USDA zone 7b, about 241 days between hard freezes, across 5K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~241
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 5K 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 Sand Hill's average, not your lot's — a low corner or a tree line moves it. Against Sand Hill's 241-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Sand Hill
Each reading below is measured for Sand Hill itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSand Hill runs about 241 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
MeasuredSand Hill 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 Sand Hill is in
Sand Hill sits in the Central Irregular Plains — EPA Level III, inside the wider Great Plains. That is read at Sand Hill's own centroid rather than borrowed from Muskogee County.
What Grows in Sand Hill
Every plant below cleared Sand Hill's own zone 7b and its 241-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Sand Hill?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Feb 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 18 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — 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 Sand Hill
Closest first, within ~10 miles of Sand Hill. Listing isn't leaking, and distance isn't exposure.
- Braggs Public SchoolUnderground Storage Tanks · 2.2 mi
- Braggs Grocery IncUnderground Storage Tanks · 2.3 mi
- US ARMY NATIONAL GUARD CAMP GRUBERToxics Release Inventory · 2.5 mi
- US ARMY NATIONAL GUARD CAMP GRUBERBrownfields · 2.5 mi
- Braggs ConocoUnderground Storage Tanks · 4.0 mi
- Liberty Morris Public SchoolsUnderground Storage Tanks · 4.4 mi
- Webbers Falls L & D 16Underground Storage Tanks · 5.8 mi
- U.S. Army Corps Of EngineersUnderground Storage Tanks · 6.2 mi
- Webbers Falls L&D #16Underground Storage Tanks · 6.2 mi
- WEBBERS FALLS LOCK AND DAM 16Brownfields · 6.4 mi
- CUSTOM SEATING / MUSKOGEE FURNITURE MFG FACILITYToxics Release Inventory · 6.4 mi
- CUSTOM SEATING / MUSKOGEE FURNITURE MFG FACILITYBrownfields · 6.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Sand Hill'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 Sand Hill.
Total Sites
66
within ~10 miles of Sand Hill
Risk Level
Moderate
Highest-severity
13 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Sand Hill
Severity Distribution
within ~10 miles of Sand Hill
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Sand Hill, Toxics Release Inventory runs higher than the national average — 13 sites within ~10 miles of Sand Hill. That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Sand Hill
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 Sand Hill average
Your land is one point inside Sand Hill
Everything above resolves to Sand Hill as a whole — one PHZM band and one 28°F frost record, read across 5K 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 Sand Hill Average
Sand Hill Average
- ●USDA Zones 7b, averaged across Sand Hill
- ●One soil character for all of Sand Hill
- ●Frost dates read at Sand Hill's scale: Mar 18 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Sand Hill's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Sand Hill
Pull a site-specific report for your exact address in Sand Hill, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Sand Hill averages can't show:
We read public map data around Sand Hill — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Sand Hill average
How we know this about Sand Hill
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 Sand Hill’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 Sand Hill
When does frost risk typically end in Sand Hill?
The last hard freeze (28°F) in Sand Hill typically lands around Mar 18, 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 8.
When is the first frost in Sand Hill?
The first hard freeze (28°F) in Sand Hill typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 241 days after the spring freeze cleared.
How long is the growing season in Sand Hill?
Measured between 28°F hard freezes, Sand Hill sees about 241 frost-free days — roughly Mar 18 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 8 to Oct 31, about 206 days.
Is the soil safe to grow vegetables in Sand Hill?
The federal record around Sand Hill shows 66 documented sites, mostly Underground Storage Tanks entries (37), the nearest Underground Storage Tanks record about 2.2 miles 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 Sand Hill?
From about Oct 15 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Sand Hill's scale — its 7b band and its 241-day season. Your yard writes its own version of Sand Hill'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 Sand Hill’s own scale
6 of the readings below were taken at Sand Hill's own scale — its own ~241-day season between 28°F freezes, the 4,865 acres it covers and 66 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Sand Hill's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Sand Hill's own 28°F hard-freeze dates, about Mar 18 and Nov 14 and the ~241-day span between themNOAA 1991–2020 Climate Normals
- 66 documented contamination sites on the federal record near Sand Hill, the closest Underground Storage Tanks record about 2.2 miles out from the town centreFederal environmental registers
- Sand Hill's boundary and the 4,865 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~241-day seasonGrowable Ground crop-matching engine
- The ecoregion at Sand Hill's own centroid, the Central Irregular PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Sand Hill's 4,865 acres read through its county's SSURGO summaryfrom Muskogee County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Muskogee 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 Muskogee County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Sand Hill's 4,865 acreswhy one lot differs from the next →
- Which side of Sand Hill you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 4,865 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 2.2 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 Sand Hill-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaSand Hill sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides