Whelen Springs, Arkansas, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Among the crops suited to this profile: cabbage, fig, california poppy, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Whelen Springs, 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 Whelen Springs 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 Whelen Springs — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Whelen Springs — the short answer
Whelen Springs, Arkansas: USDA zone 8a, about 259 days between hard freezes, across 150 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~259
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 150 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 Whelen Springs's average, not your lot's — a low corner or a tree line moves it. Against Whelen Springs's 259-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Whelen Springs
Each reading below is measured for Whelen Springs itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWhelen Springs runs about 259 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
MeasuredWhelen Springs 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 Whelen Springs is in
Whelen Springs sits in the South Central Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Whelen Springs's own centroid rather than borrowed from Clark County.
What Grows in Whelen Springs
Every plant below cleared Whelen Springs's own zone 8a and its 259-day season. Each card opens that plant's Arkansas profile. How we score.
Is it too late to plant in Whelen Springs?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 5 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 19 — 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 Whelen Springs
Closest first, within ~10 miles of Whelen Springs. Listing isn't leaking, and distance isn't exposure.
- FOOD STOREUnderground Storage Tanks · 950 ft
- 10S20W35BCB1Nitrate · 1500 ft
- 10S20W22DCB1Nitrate · 1.1 mi
- 10S20W09AAA1Nitrate · 3.9 mi
- 11S20W16ACD1Nitrate · 4.0 mi
- 11S20W08DCD1Nitrate · 4.1 mi
- 11S20W15CDD1Nitrate · 4.3 mi
- 11S20W22DBD1Nitrate · 4.8 mi
- 10S20W04ACB1Nitrate · 4.9 mi
- OUACHITA NEVADA WOOD TREATERSuperfund · 5.2 mi
- 09S20W33DDB1Nitrate · 5.3 mi
- 09S20W34DAB1Nitrate · 5.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Whelen Springs'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 Whelen Springs.
Sources Checked
within ~10 miles of Whelen Springs
Severity Distribution
within ~10 miles of Whelen Springs
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Whelen Springs, Nitrate runs higher than the national average — 54 sites within ~10 miles of Whelen Springs. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
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 Whelen Springs
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 Whelen Springs average
Your land is one point inside Whelen Springs
Everything above resolves to Whelen Springs as a whole — one PHZM band and one 28°F frost record, read across 150 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 Whelen Springs Average
Whelen Springs Average
- ●USDA Zones 8a, averaged across Whelen Springs
- ●One soil character for all of Whelen Springs
- ●Frost dates read at Whelen Springs's scale: Mar 5 to Nov 19
YOUR Parcel
- ✓Your exact zone, not Whelen Springs's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Whelen Springs
Pull a site-specific report for your exact address in Whelen Springs, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Whelen Springs averages can't show:
We read public map data around Whelen Springs — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Whelen Springs average
How we know this about Whelen Springs
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 Whelen Springs’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 Whelen Springs
When does frost risk typically end in Whelen Springs?
The last hard freeze (28°F) in Whelen Springs typically lands around Mar 5, 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 26.
When is the first frost in Whelen Springs?
The first hard freeze (28°F) in Whelen Springs typically arrives around Nov 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 5, so the watching starts about Oct 20 — about 259 days after the spring freeze cleared.
How long is the growing season in Whelen Springs?
Measured between 28°F hard freezes, Whelen Springs sees about 259 frost-free days — roughly Mar 5 through Nov 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Mar 26 to Nov 5, about 224 days.
Is the soil safe to grow vegetables in Whelen Springs?
The federal record around Whelen Springs is a meaningful one — 92 documented sites, mostly Nitrate entries (54), 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 Whelen Springs?
From about Oct 20 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 19 (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 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Whelen Springs's scale — its 8a band and its 259-day season. Your yard writes its own version of Whelen Springs'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 Whelen Springs’s own scale
6 of the readings below were taken at Whelen Springs's own scale — its own ~259-day season between 28°F freezes, the 150 acres it covers and 92 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Whelen Springs's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Whelen Springs's own 28°F hard-freeze dates, about Mar 5 and Nov 19 and the ~259-day span between themNOAA 1991–2020 Climate Normals
- 92 documented contamination sites on the federal record near Whelen Springs, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Whelen Springs's boundary and the 150 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~259-day seasonGrowable Ground crop-matching engine
- The ecoregion at Whelen Springs's own centroid, the South Central PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Whelen Springs's 150 acres read through its county's SSURGO summaryfrom Clark County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Clark 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 Clark County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Whelen Springs's 150 acreswhy one lot differs from the next →
- Which side of Whelen Springs you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 150 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 Whelen Springs-wide figureread your own land →
More in Arkansas
Nearby growing guides