Whitesburg, Kentucky, sits in USDA hardiness zone 7a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Crops well matched to these conditions include cabbage, hazelnut, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Whitesburg, 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 Whitesburg 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 Whitesburg — soil, climate, flood, and parcel records. How we handle your address.
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Whitesburg — the short answer
Whitesburg, Kentucky: USDA zone 7a, about 211 days between hard freezes, across 2K acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 31
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~211
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 2K 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 7a is Whitesburg's average, not your lot's — a low corner or a tree line moves it. Against Whitesburg's 211-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Whitesburg
Each reading below is measured for Whitesburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWhitesburg runs about 211 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
MeasuredWhitesburg sits in USDA hardiness zone 7a.
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 Whitesburg is in
Whitesburg sits in the Central Appalachians — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Whitesburg's own centroid rather than borrowed from Letcher County.
What Grows in Whitesburg
Every plant below cleared Whitesburg's own zone 7a and its 211-day season. Each card opens that plant's Kentucky profile. How we score.
Is it too late to plant in Whitesburg?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 3 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 31 — 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.
Documented around Whitesburg
Survey cells within 31 miles of Whitesburg checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 50 miles off. What to watch for.
What's on the federal record near Whitesburg
Closest first, within ~10 miles of Whitesburg. Listing isn't leaking, and distance isn't exposure.
- I28D0058Nitrate · 550 ft
- KENTUCKY POWER CO.- WHITESBURG SERVICE CENTERBrownfields · 700 ft
- U Save TobaccoUnderground Storage Tanks · 800 ft
- Harlow Motor CoUnderground Storage Tanks · 850 ft
- Main Street ServiceUnderground Storage Tanks · 1300 ft
- Former School Bus GarageUnderground Storage Tanks · 1400 ft
- Former Fields BP StationUnderground Storage Tanks · 1400 ft
- Ermine Double KwikUnderground Storage Tanks · 1400 ft
- I28D0031Nitrate · 1700 ft
- I28D0030Nitrate · 1800 ft
- Whitesburg Bulk Plant 579Underground Storage Tanks · 1800 ft
- I28D0029Nitrate · 2000 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Whitesburg'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 Whitesburg.
Sources Checked
within ~10 miles of Whitesburg
Severity Distribution
within ~10 miles of Whitesburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Whitesburg, Nitrate runs higher than the national average — 223 sites within ~10 miles of Whitesburg. 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 Whitesburg
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 Whitesburg average
Your land is one point inside Whitesburg
Everything above resolves to Whitesburg as a whole — one PHZM band and one 28°F frost record, read across 2K 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 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 Whitesburg Average
Whitesburg Average
- ●USDA Zones 7a, averaged across Whitesburg
- ●One soil character for all of Whitesburg
- ●Frost dates read at Whitesburg's scale: Apr 3 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Whitesburg's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Whitesburg
Pull a site-specific report for your exact address in Whitesburg, Kentucky — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Whitesburg averages can't show:
We read public map data around Whitesburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Whitesburg average
How we know this about Whitesburg
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 Whitesburg’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 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 Whitesburg
When does frost risk typically end in Whitesburg?
The last hard freeze (28°F) in Whitesburg typically lands around Apr 3, 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 24.
When is the first frost in Whitesburg?
The first hard freeze (28°F) in Whitesburg typically arrives around Oct 31, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 17, so the watching starts about Oct 1 — about 211 days after the spring freeze cleared.
How long is the growing season in Whitesburg?
Measured between 28°F hard freezes, Whitesburg sees about 211 frost-free days — roughly Apr 3 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 17, about 176 days.
Is the soil safe to grow vegetables in Whitesburg?
The federal record around Whitesburg is a meaningful one — 356 documented sites, mostly Nitrate entries (223), the nearest Nitrate record about 0.1 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 Whitesburg?
From about Oct 1 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 Oct 31 (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 Oct 31. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Whitesburg's scale — its 7a band and its 211-day season. Your yard writes its own version of Whitesburg'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 Whitesburg’s own scale
7 of the readings below were taken at Whitesburg's own scale — its own ~211-day season between 28°F freezes, the 2,004 acres it covers and 356 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Whitesburg's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Whitesburg's own 28°F hard-freeze dates, about Apr 3 and Oct 31 and the ~211-day span between themNOAA 1991–2020 Climate Normals
- 356 documented contamination sites on the federal record near Whitesburg, the closest Nitrate record about 0.1 miles out from the town centreFederal environmental registers
- Whitesburg's boundary and the 2,004 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~211-day seasonGrowable Ground crop-matching engine
- The ecoregion at Whitesburg's own centroid, the Central AppalachiansUS EPA Level III Ecoregions
- Lanternfly survey cells around Whitesburg checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Whitesburg's 2,004 acres read through its county's SSURGO summaryfrom Letcher County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Letcher County
- The growing challenges every Kentucky grower plans around — written at state scale, so they stay on the state guidefrom Kentucky
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Letcher County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Whitesburg's 2,004 acreswhy one lot differs from the next →
- Which side of Whitesburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,004 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.1 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 Whitesburg-wide figureread your own land →
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