Marble City, Oklahoma, sits in USDA hardiness zone 7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
A short list that earns its place here — cabbage, prickly pear, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Marble City, 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 Marble City 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 Marble City — soil, climate, flood, and parcel records. How we handle your address.
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Marble City — the short answer
Marble City, Oklahoma: USDA zone 7b, about 237 days between hard freezes, across 260 acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~237
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 260 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 Marble City's average, not your lot's — a low corner or a tree line moves it. Against Marble City's 237-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Marble City
Each reading below is measured for Marble City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMarble City runs about 237 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
MeasuredMarble City 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 Marble City is in
Marble City sits in the Boston Mountains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Marble City's own centroid rather than borrowed from Sequoyah County.
What Grows in Marble City
Every plant below cleared Marble City's own zone 7b and its 237-day season. Each card opens that plant's Oklahoma profile. How we score.
Is it too late to plant in Marble City?
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 21; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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 Marble City
Closest first, within ~10 miles of Marble City. Listing isn't leaking, and distance isn't exposure.
- US LIME CO ST CLAIRBrownfields · 1400 ft
- US LIME CO ST CLAIRToxics Release Inventory · 1400 ft
- Brushy SchoolUnderground Storage Tanks · 4.7 mi
- RS KERR MARINA TERMINALBrownfields · 4.9 mi
- ROBERT S KERR LOCK AND DAM 15Superfund · 4.9 mi
- ROBERT S KERR LOCK AND DAM 15Brownfields · 4.9 mi
- Hamricks Brushy Corner StoreUnderground Storage Tanks · 5.3 mi
- Sparks GroceryUnderground Storage Tanks · 5.4 mi
- Robert S Kerr L&D #15Underground Storage Tanks · 5.7 mi
- Sparks Corner StoreUnderground Storage Tanks · 5.9 mi
- North Big DUnderground Storage Tanks · 5.9 mi
- Triple S Petroleum Jc ShockleyUnderground Storage Tanks · 5.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Marble City'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 Marble City.
Total Sites
77
within ~10 miles of Marble City
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Marble City
Severity Distribution
within ~10 miles of Marble City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Marble City, Underground Storage Tanks runs higher than the national average — 57 sites within ~10 miles of Marble City. 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 Marble City
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 Marble City average
Your land is one point inside Marble City
Everything above resolves to Marble City as a whole — one PHZM band and one 28°F frost record, read across 260 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 Marble City Average
Marble City Average
- ●USDA Zones 7b, averaged across Marble City
- ●One soil character for all of Marble City
- ●Frost dates read at Marble City's scale: Mar 21 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Marble City's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Marble City
Pull a site-specific report for your exact address in Marble City, Oklahoma — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Marble City averages can't show:
We read public map data around Marble City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Marble City average
How we know this about Marble City
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 Marble City’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 Marble City
When does frost risk typically end in Marble City?
The last hard freeze (28°F) in Marble City typically lands around Mar 21, 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 11.
When is the first frost in Marble City?
The first hard freeze (28°F) in Marble City typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 237 days after the spring freeze cleared.
How long is the growing season in Marble City?
Measured between 28°F hard freezes, Marble City sees about 237 frost-free days — roughly Mar 21 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 11 to Oct 30, about 202 days.
Is the soil safe to grow vegetables in Marble City?
The federal record around Marble City is a meaningful one — 77 documented sites, mostly Underground Storage Tanks entries (57), the nearest Brownfields record about 0.3 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 Marble City?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Marble City's scale — its 7b band and its 237-day season. Your yard writes its own version of Marble City'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 Marble City’s own scale
6 of the readings below were taken at Marble City's own scale — its own ~237-day season between 28°F freezes, the 260 acres it covers and 77 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Marble City's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Marble City's own 28°F hard-freeze dates, about Mar 21 and Nov 13 and the ~237-day span between themNOAA 1991–2020 Climate Normals
- 77 documented contamination sites on the federal record near Marble City, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- Marble City's boundary and the 260 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~237-day seasonGrowable Ground crop-matching engine
- The ecoregion at Marble City's own centroid, the Boston MountainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Marble City's 260 acres read through its county's SSURGO summaryfrom Sequoyah County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Sequoyah 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 Sequoyah County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Marble City's 260 acreswhy one lot differs from the next →
- Which side of Marble City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 260 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.3 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 Marble City-wide figureread your own land →
More in Oklahoma
Wider growing context
What grows across OklahomaMarble City sits outside our named growing regions, so Oklahoma as a whole is its closest context here.
Nearby growing guides