Norman, Arkansas, sits in USDA hardiness zone 8a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Norman, 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 Norman 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 Norman — soil, climate, flood, and parcel records. How we handle your address.
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Norman — the short answer
Norman, Arkansas: USDA zone 8a, about 236 days between hard freezes, across 720 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 20
- 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
- ~236
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 720 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 Norman's average, not your lot's — a low corner or a tree line moves it. Against Norman's 236-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Norman
Each reading below is measured for Norman itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredNorman runs about 236 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
MeasuredNorman 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 Norman is in
Norman sits in the Ouachita Mountains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Norman's own centroid rather than borrowed from Montgomery County.
What Grows in Norman
Every plant below cleared Norman's own zone 8a and its 236-day season. Each card opens that plant's Arkansas profile. How we score.
Is it too late to plant in Norman?
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 20; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 20 (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. 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 Norman
Closest first, within ~10 miles of Norman. Listing isn't leaking, and distance isn't exposure.
- BRAKEFIELDS AUTO PARTS & STATUnderground Storage Tanks · 1700 ft
- QUICK SAKUnderground Storage Tanks · 1900 ft
- NORMAN TRUCK STOPUnderground Storage Tanks · 2000 ft
- WALTER PARKERSONUnderground Storage Tanks · 2200 ft
- LIGON OIL CO INCUnderground Storage Tanks · 0.6 mi
- HORN LUMBER COMPANYUnderground Storage Tanks · 0.6 mi
- JUNCTION GULF STATIONUnderground Storage Tanks · 0.6 mi
- CHARLES PRYUnderground Storage Tanks · 0.6 mi
- BELL WOOD FINISHING PRODBrownfields · 1.7 mi
- BLACK SPRINGS COUNTRY STOREUnderground Storage Tanks · 2.0 mi
- JONES-AVRA READY MIXUnderground Storage Tanks · 3.6 mi
- CADDO HILLS SCHOOLUnderground Storage Tanks · 3.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Norman'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 Norman.
Sources Checked
within ~10 miles of Norman
Severity Distribution
within ~10 miles of Norman
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Norman, Underground Storage Tanks runs higher than the national average — 40 sites within ~10 miles of Norman. 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 Norman
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 Norman average
Your land is one point inside Norman
Everything above resolves to Norman as a whole — one PHZM band and one 28°F frost record, read across 720 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 Norman Average
Norman Average
- ●USDA Zones 8a, averaged across Norman
- ●One soil character for all of Norman
- ●Frost dates read at Norman's scale: Mar 20 to Nov 11
YOUR Parcel
- ✓Your exact zone, not Norman's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Norman
Pull a site-specific report for your exact address in Norman, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Norman averages can't show:
We read public map data around Norman — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Norman average
How we know this about Norman
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 Norman’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 Norman
When does frost risk typically end in Norman?
The last hard freeze (28°F) in Norman typically lands around Mar 20, 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 10.
When is the first frost in Norman?
The first hard freeze (28°F) in Norman 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 236 days after the spring freeze cleared.
How long is the growing season in Norman?
Measured between 28°F hard freezes, Norman sees about 236 frost-free days — roughly Mar 20 through Nov 11, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 10 to Oct 28, about 201 days.
Is the soil safe to grow vegetables in Norman?
The federal record around Norman shows 53 documented sites, mostly Underground Storage Tanks entries (40), the nearest Underground Storage Tanks record about 0.3 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 Norman?
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 Norman's scale — its 8a band and its 236-day season. Your yard writes its own version of Norman'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 Norman’s own scale
6 of the readings below were taken at Norman's own scale — its own ~236-day season between 28°F freezes, the 720 acres it covers and 53 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Norman's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Norman's own 28°F hard-freeze dates, about Mar 20 and Nov 11 and the ~236-day span between themNOAA 1991–2020 Climate Normals
- 53 documented contamination sites on the federal record near Norman, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Norman's boundary and the 720 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~236-day seasonGrowable Ground crop-matching engine
- The ecoregion at Norman's own centroid, the Ouachita MountainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Norman's 720 acres read through its county's SSURGO summaryfrom Montgomery County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Montgomery County
- The growing challenges every Arkansas grower plans around — written at state scale, so they stay on the state guidefrom Arkansas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Montgomery County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Norman's 720 acreswhy one lot differs from the next →
- Which side of Norman you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 720 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Norman-wide figureread your own land →
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