De Valls Bluff, 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.
Reliable performers under these conditions include cabbage, fig, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in De Valls Bluff, 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 De Valls Bluff 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 De Valls Bluff — soil, climate, flood, and parcel records. How we handle your address.
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De Valls Bluff — the short answer
De Valls Bluff, Arkansas: USDA zone 8a, about 274 days between hard freezes, across 699 acres of city.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Feb 26
- Prairie County normal — NOAA 1991–2020, nearest to this town
- First hard freeze (28°F)
- Nov 27
- Prairie County normal — NOAA 1991–2020, nearest to this town
- Days between freezes
- ~274
- Prairie County normal — NOAA 1991–2020, nearest to this town
- City area
- 699 acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. No 30-year normal resolves at this town’s own centroid, so the hard-freeze dates are Prairie County’s — the closest measured record, labelled as such rather than passed off as local.
Hardiness Zone Range
Zone 8a is De Valls Bluff's average, not your lot's — a low corner or a tree line moves it. Against De Valls Bluff's 274-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in De Valls Bluff
Each reading below is measured for De Valls Bluff itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
From county recordsDe Valls Bluff runs about 274 days between hard freezes (read from Prairie County, the closest normal to De Valls Bluff) — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredDe Valls Bluff 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 De Valls Bluff is in
De Valls Bluff sits in the Mississippi Alluvial Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at De Valls Bluff's own centroid rather than borrowed from Prairie County.
What Grows in De Valls Bluff
Every plant below cleared De Valls Bluff's own zone 8a and its 274-day season. Each card opens that plant's Arkansas profile. How we score.
Is it too late to plant in De Valls Bluff?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Jan 29; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Feb 26 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 27 — long-season crops need about 90 days of runway, quick greens only 30. In a climate this gentle, “too late” hardly applies — the question becomes which crops prefer the cooler months ahead.
What's on the federal record near De Valls Bluff
Closest first, within ~10 miles of De Valls Bluff. Listing isn't leaking, and distance isn't exposure.
- BREAK TIME #3031Underground Storage Tanks · 850 ft
- 02N04W19AAB1Nitrate · 1300 ft
- BILLYS AT THE BLUFFUnderground Storage Tanks · 2000 ft
- DEVALLS BLUFF PUBLIC SCHOOLSUnderground Storage Tanks · 2100 ft
- 02N04W19CDA1Nitrate · 1.1 mi
- 02N05W24AAA1Nitrate · 1.1 mi
- HARRY SAUL MINNOW FARM, INC.Underground Storage Tanks · 1.2 mi
- JACK PRINCE SERVICE STATIONUnderground Storage Tanks · 3.5 mi
- ISBELL, TOMMYUnderground Storage Tanks · 3.7 mi
- 02N04W02BBC1Nitrate · 4.1 mi
- PETRUS CHEV-OLDS. INC.Underground Storage Tanks · 4.4 mi
- 01N05W03ADA1Nitrate · 4.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from De Valls Bluff'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 De Valls Bluff.
Total Sites
71
within ~10 miles of De Valls Bluff
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of De Valls Bluff
Severity Distribution
within ~10 miles of De Valls Bluff
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around De Valls Bluff, Nitrate runs higher than the national average — 36 sites within ~10 miles of De Valls Bluff. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in De Valls Bluff
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 De Valls Bluff average
Your land is one point inside De Valls Bluff
Everything above resolves to De Valls Bluff as a whole — one PHZM band, read across 699 acres, with hard-freeze dates borrowed from Prairie County’s record because no 30-year normal resolves at this city’s own centroid. 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 city 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 De Valls Bluff Average
De Valls Bluff Average
- ●USDA Zones 8a, averaged across De Valls Bluff
- ●One soil character for all of De Valls Bluff
- ●Frost dates read at De Valls Bluff's scale: Feb 26 to Nov 27
YOUR Parcel
- ✓Your exact zone, not De Valls Bluff's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in De Valls Bluff
Pull a site-specific report for your exact address in De Valls Bluff, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that De Valls Bluff averages can't show:
We read public map data around De Valls Bluff — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the De Valls Bluff average
How we know this about De Valls Bluff
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Prairie County’s record, because none resolves here; 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 city grain anywhere on this page — there is no city-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 De Valls Bluff
When does frost risk typically end in De Valls Bluff?
The last hard freeze (28°F) in De Valls Bluff typically lands around Feb 26, 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 Mar 19.
When is the first frost in De Valls Bluff?
The first hard freeze (28°F) in De Valls Bluff typically arrives around Nov 27, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 13, so the watching starts about Oct 28 — about 274 days after the spring freeze cleared.
How long is the growing season in De Valls Bluff?
Measured between 28°F hard freezes, De Valls Bluff sees about 274 frost-free days — roughly Feb 26 through Nov 27, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 19 to Nov 13, about 239 days.
Is the soil safe to grow vegetables in De Valls Bluff?
The federal record around De Valls Bluff is a meaningful one — 71 documented sites, mostly Nitrate entries (36), the nearest Underground Storage Tanks record about 0.2 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 De Valls Bluff?
From about Oct 28 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 27 (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 27. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at De Valls Bluff's scale — its 8a band and its 274-day season. Your yard writes its own version of De Valls Bluff'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 De Valls Bluff’s own scale
5 of the readings below were taken at De Valls Bluff's own scale — the 699 acres it covers and 71 documented sites around it; 5 are borrowed from a wider read, named and linked below.
Measured here
- De Valls Bluff's own USDA hardiness band, zones 8aUSDA PHZM 2023
- 71 documented contamination sites on the federal record near De Valls Bluff, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- De Valls Bluff's boundary and the 699 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~274-day seasonGrowable Ground crop-matching engine
- The ecoregion at De Valls Bluff's own centroid, the Mississippi Alluvial PlainUS EPA Level III Ecoregions
Inherited from a wider read
- The 28°F hard-freeze dates — De Valls Bluff has no normal of its own, so its county's is the closest measured readfrom Prairie County
- Soil character — no town-scale survey exists, so De Valls Bluff's 699 acres read through its county's SSURGO summaryfrom Prairie County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Prairie 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 Prairie County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among De Valls Bluff's 699 acreswhy one lot differs from the next →
- Which side of De Valls Bluff you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 699 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 De Valls Bluff-wide figureread your own land →
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