Pencil Bluff, Arkansas, sits in USDA hardiness zone 8a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, fig, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Pencil 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 Pencil 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 Pencil Bluff — soil, climate, flood, and parcel records. How we handle your address.
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Pencil Bluff — the short answer
Pencil Bluff, Arkansas: USDA zone 8a, about 232 days between hard freezes, across 338 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 10
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~232
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 338 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 Pencil Bluff's average, not your lot's — a low corner or a tree line moves it. Against Pencil Bluff's 232-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Pencil Bluff
Each reading below is measured for Pencil Bluff itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredPencil Bluff runs about 232 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
MeasuredPencil 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 Pencil Bluff is in
Pencil Bluff sits in the Ouachita Mountains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Pencil Bluff's own centroid rather than borrowed from Montgomery County.
What Grows in Pencil Bluff
Every plant below cleared Pencil Bluff's own zone 8a and its 232-day season. Each card opens that plant's Arkansas profile. How we score.
Is it too late to plant in Pencil Bluff?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 10 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
What's on the federal record near Pencil Bluff
Closest first, within ~10 miles of Pencil Bluff. Listing isn't leaking, and distance isn't exposure.
- HARTLEY'S TEXACOUnderground Storage Tanks · 450 ft
- THE YELLOW STOREUnderground Storage Tanks · 600 ft
- AHTD-PENCIL BLUFF HEADQUARTERSUnderground Storage Tanks · 600 ft
- PENCIL BLUFF MARTUnderground Storage Tanks · 1500 ft
- 01S26W34ABA1Nitrate · 1.6 mi
- DAVIS GROCERY & STATIONUnderground Storage Tanks · 1.8 mi
- HARTLEY'S SERVICE CENTERUnderground Storage Tanks · 1.8 mi
- FRANK ELLIOTTUnderground Storage Tanks · 1.9 mi
- WARD'S GARAGEUnderground Storage Tanks · 1.9 mi
- ODEN GENERAL STOREUnderground Storage Tanks · 2.5 mi
- ODEN RECREATION CENTERUnderground Storage Tanks · 2.6 mi
- WOMBLE WORK CENTERUnderground Storage Tanks · 4.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Pencil 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 Pencil Bluff.
Sources Checked
within ~10 miles of Pencil Bluff
Severity Distribution
within ~10 miles of Pencil Bluff
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Pencil Bluff, Underground Storage Tanks runs higher than the national average — 32 sites within ~10 miles of Pencil Bluff. That's not a problem with your land — it's information about 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 Pencil 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 Pencil Bluff average
Your land is one point inside Pencil Bluff
Everything above resolves to Pencil Bluff as a whole — one PHZM band and one 28°F frost record, read across 338 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 Pencil Bluff Average
Pencil Bluff Average
- ●USDA Zones 8a, averaged across Pencil Bluff
- ●One soil character for all of Pencil Bluff
- ●Frost dates read at Pencil Bluff's scale: Mar 23 to Nov 10
YOUR Parcel
- ✓Your exact zone, not Pencil Bluff's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Pencil Bluff
Pull a site-specific report for your exact address in Pencil Bluff, Arkansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Pencil Bluff averages can't show:
We read public map data around Pencil Bluff — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Pencil Bluff average
How we know this about Pencil Bluff
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 Pencil Bluff’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 Pencil Bluff
When does frost risk typically end in Pencil Bluff?
The last hard freeze (28°F) in Pencil Bluff typically lands around Mar 23, 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 13.
When is the first frost in Pencil Bluff?
The first hard freeze (28°F) in Pencil Bluff typically arrives around Nov 10, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 27, so the watching starts about Oct 11 — about 232 days after the spring freeze cleared.
How long is the growing season in Pencil Bluff?
Measured between 28°F hard freezes, Pencil Bluff sees about 232 frost-free days — roughly Mar 23 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Oct 27, about 197 days.
Is the soil safe to grow vegetables in Pencil Bluff?
The federal record around Pencil Bluff is light — 40 documented sites across the 9 federal source types we checked, mostly Underground Storage Tanks entries (32), the nearest Underground Storage Tanks record under a tenth of a mile out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Pencil Bluff?
From about Oct 11 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 10 (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 10. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Pencil Bluff's scale — its 8a band and its 232-day season. Your yard writes its own version of Pencil 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 Pencil Bluff’s own scale
6 of the readings below were taken at Pencil Bluff's own scale — its own ~232-day season between 28°F freezes, the 338 acres it covers and 40 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Pencil Bluff's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Pencil Bluff's own 28°F hard-freeze dates, about Mar 23 and Nov 10 and the ~232-day span between themNOAA 1991–2020 Climate Normals
- 40 documented contamination sites on the federal record near Pencil Bluff, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Pencil Bluff's boundary and the 338 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~232-day seasonGrowable Ground crop-matching engine
- The ecoregion at Pencil Bluff's own centroid, the Ouachita MountainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Pencil Bluff's 338 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 Pencil Bluff's 338 acreswhy one lot differs from the next →
- Which side of Pencil 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 338 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Pencil Bluff-wide figureread your own land →
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