Jenkins, Kentucky, sits in USDA hardiness zone 6b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Jenkins, 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 Jenkins 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 Jenkins — soil, climate, flood, and parcel records. How we handle your address.
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Jenkins — the short answer
Jenkins, Kentucky: USDA zone 6b, about 210 days between hard freezes, across 6K acres of city.
- USDA zone
- 6b
- 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 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~210
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 6K 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 6b is Jenkins's average, not your lot's — a low corner or a tree line moves it. Against Jenkins's 210-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Jenkins
Each reading below is measured for Jenkins itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredJenkins runs about 210 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
MeasuredJenkins sits in USDA hardiness zone 6b.
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 Jenkins is in
Jenkins sits in the Central Appalachians — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Jenkins's own centroid rather than borrowed from Letcher County.
What Grows in Jenkins
Every plant below cleared Jenkins's own zone 6b and its 210-day season. Each card opens that plant's Kentucky profile. How we score.
Is it too late to plant in Jenkins?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. 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 30 — 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 Jenkins
Survey cells within 31 miles of Jenkins checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 47 miles off. What to watch for.
What's on the federal record near Jenkins
Closest first, within ~10 miles of Jenkins. Listing isn't leaking, and distance isn't exposure.
- Elkhorn Country Club IncUnderground Storage Tanks · 0.5 mi
- I29A0057Nitrate · 0.6 mi
- Kerns Bakery WarehouseUnderground Storage Tanks · 0.6 mi
- Jenkins Double KwikUnderground Storage Tanks · 0.6 mi
- Tan-O-RamaUnderground Storage Tanks · 0.6 mi
- Ashland Branded Marketing 579 002 0225Underground Storage Tanks · 0.6 mi
- Jenkins 66 ServiceUnderground Storage Tanks · 0.8 mi
- Energy Express IncUnderground Storage Tanks · 0.8 mi
- I29A0060Nitrate · 1.0 mi
- Jenkins Industrial ComplexUnderground Storage Tanks · 1.1 mi
- I29A0055Nitrate · 1.2 mi
- I29A0056Nitrate · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Jenkins'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 Jenkins.
Sources Checked
within ~10 miles of Jenkins
Severity Distribution
within ~10 miles of Jenkins
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Jenkins, Nitrate runs higher than the national average — 163 sites within ~10 miles of Jenkins. 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 Jenkins
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 Jenkins average
Your land is one point inside Jenkins
Everything above resolves to Jenkins as a whole — one PHZM band and one 28°F frost record, read across 6K 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 Jenkins Average
Jenkins Average
- ●USDA Zones 6b, averaged across Jenkins
- ●One soil character for all of Jenkins
- ●Frost dates read at Jenkins's scale: Apr 3 to Oct 30
YOUR Parcel
- ✓Your exact zone, not Jenkins's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Jenkins
Pull a site-specific report for your exact address in Jenkins, Kentucky — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Jenkins averages can't show:
We read public map data around Jenkins — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Jenkins average
How we know this about Jenkins
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 Jenkins’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 Jenkins
When does frost risk typically end in Jenkins?
The last hard freeze (28°F) in Jenkins 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 Jenkins?
The first hard freeze (28°F) in Jenkins typically arrives around Oct 30, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 16, so the watching starts about Sep 30 — about 210 days after the spring freeze cleared.
How long is the growing season in Jenkins?
Measured between 28°F hard freezes, Jenkins sees about 210 frost-free days — roughly Apr 3 through Oct 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 16, about 175 days.
Is the soil safe to grow vegetables in Jenkins?
The federal record around Jenkins is a meaningful one — 286 documented sites, mostly Nitrate entries (163), the nearest Underground Storage Tanks record about 0.5 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 Jenkins?
From about Sep 30 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 30 (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 30. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Jenkins's scale — its 6b band and its 210-day season. Your yard writes its own version of Jenkins'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 Jenkins’s own scale
7 of the readings below were taken at Jenkins's own scale — its own ~210-day season between 28°F freezes, the 5,661 acres it covers and 286 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Jenkins's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Jenkins's own 28°F hard-freeze dates, about Apr 3 and Oct 30 and the ~210-day span between themNOAA 1991–2020 Climate Normals
- 286 documented contamination sites on the federal record near Jenkins, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Jenkins's boundary and the 5,661 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~210-day seasonGrowable Ground crop-matching engine
- The ecoregion at Jenkins's own centroid, the Central AppalachiansUS EPA Level III Ecoregions
- Lanternfly survey cells around Jenkins 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 Jenkins's 5,661 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 Jenkins's 5,661 acreswhy one lot differs from the next →
- Which side of Jenkins you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,661 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Jenkins-wide figureread your own land →
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