Central City, Kentucky, sits in USDA hardiness zone 7a — 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, hazelnut, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Central City, 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 Central City 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 Central City — soil, climate, flood, and parcel records. How we handle your address.
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Central City — the short answer
Central City, Kentucky: USDA zone 7a, about 231 days between hard freezes, across 3K acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 24
- 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
- ~231
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 3K 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 Central City's average, not your lot's — a low corner or a tree line moves it. Against Central City's 231-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Central City
Each reading below is measured for Central City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCentral City runs about 231 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
MeasuredCentral City 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 Central City is in
Central City sits in the Interior River Valleys and Hills — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Central City's own centroid rather than borrowed from Muhlenberg County.
What Grows in Central City
Every plant below cleared Central City's own zone 7a and its 231-day season. Each card opens that plant's Kentucky profile. How we score.
Is it too late to plant in Central City?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 24 (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.
Documented around Central City
Survey cells within 31 miles of Central City checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 80 miles off. What to watch for.
What's on the federal record near Central City
Closest first, within ~10 miles of Central City. Listing isn't leaking, and distance isn't exposure.
- Muhlenberg Co State Maintenance GarageUnderground Storage Tanks · 950 ft
- Petro PlusUnderground Storage Tanks · 950 ft
- 3060 Twice DailyUnderground Storage Tanks · 1000 ft
- Central City Lumber CoUnderground Storage Tanks · 1200 ft
- Lora Mae UnderwoodUnderground Storage Tanks · 1300 ft
- CSX Transportation - Muhlenberg CoUnderground Storage Tanks · 1400 ft
- Clinic PharmacyUnderground Storage Tanks · 1600 ft
- McDowells TexacoUnderground Storage Tanks · 1600 ft
- Jim & Judys 431 GulfUnderground Storage Tanks · 1600 ft
- Sanitary Cleaners IncUnderground Storage Tanks · 1600 ft
- Moorman MineUnderground Storage Tanks · 1600 ft
- Kentucky Utilities Co StoreroomUnderground Storage Tanks · 1700 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Central City'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 Central City.
Total Sites
224
within ~10 miles of Central City
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Central City
Severity Distribution
within ~10 miles of Central City
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Central City, two things run higher than the national average within ~10 miles of Central City — Superfund (4 sites) and Underground Storage Tanks (162 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Central City
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 Central City average
Your land is one point inside Central City
Everything above resolves to Central City as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Central City Average
Central City Average
- ●USDA Zones 7a, averaged across Central City
- ●One soil character for all of Central City
- ●Frost dates read at Central City's scale: Mar 24 to Nov 10
YOUR Parcel
- ✓Your exact zone, not Central City's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Central City
Pull a site-specific report for your exact address in Central City, Kentucky — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Central City averages can't show:
We read public map data around Central City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Central City average
How we know this about Central City
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 Central City’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 Central City
When does frost risk typically end in Central City?
The last hard freeze (28°F) in Central City typically lands around Mar 24, 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 14.
When is the first frost in Central City?
The first hard freeze (28°F) in Central City 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 231 days after the spring freeze cleared.
How long is the growing season in Central City?
Measured between 28°F hard freezes, Central City sees about 231 frost-free days — roughly Mar 24 through Nov 10, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Oct 27, about 196 days.
Is the soil safe to grow vegetables in Central City?
The federal record around Central City is a meaningful one — 224 documented sites, mostly Underground Storage Tanks entries (162), 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 Central City?
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 Central City's scale — its 7a band and its 231-day season. Your yard writes its own version of Central City'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 Central City’s own scale
7 of the readings below were taken at Central City's own scale — its own ~231-day season between 28°F freezes, the 3,391 acres it covers and 224 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Central City's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Central City's own 28°F hard-freeze dates, about Mar 24 and Nov 10 and the ~231-day span between themNOAA 1991–2020 Climate Normals
- 224 documented contamination sites on the federal record near Central City, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Central City's boundary and the 3,391 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~231-day seasonGrowable Ground crop-matching engine
- The ecoregion at Central City's own centroid, the Interior River Valleys and HillsUS EPA Level III Ecoregions
- Lanternfly survey cells around Central City 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 Central City's 3,391 acres read through its county's SSURGO summaryfrom Muhlenberg County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Muhlenberg 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 Muhlenberg County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Central City's 3,391 acreswhy one lot differs from the next →
- Which side of Central City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,391 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 Central City-wide figureread your own land →