Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 41008 — Carrollton, KY

ZIP code 41008 (Carrollton, Carroll County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 9 and the first fall frost November 1.

Where ZIP 41008 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 9
First frostNov 1
2012 zone6b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Carrollton, KY…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Carrollton, KY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 9median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 20
Growing season204 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 10.

From the NOAA station Vevay, IN — 8 miles away, elevation 495 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 41008

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 26 – Mar 12
SpinachSow outdoors · Feb 26 – Mar 19
Broccoli, cabbageStart indoors · Jan 29 – Feb 12
Broccoli, cabbageTransplant · Mar 19 – Apr 2
Onion setsPlant outdoors · Mar 12 – Mar 26
PotatoesPlant outdoors · Mar 19 – Apr 2
LettuceSow outdoors · Mar 12 – Mar 26
Carrots, beetsSow outdoors · Mar 19 – Apr 2
TomatoesStart indoors · Feb 12 – Feb 26
TomatoesTransplant · Apr 16 – Apr 30
Peppers, eggplantStart indoors · Jan 29 – Feb 12
Peppers, eggplantTransplant · Apr 23 – May 7
BeansSow outdoors · Apr 16 – Apr 30
Sweet cornSow outdoors · Apr 16 – Apr 30
Cucumbers, squashSow outdoors · Apr 16 – Apr 30
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 9) and first fall frost (Nov 1) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 41008 came on Mar 8 — 6 days earlier than the 1991–2020 average (Mar 14).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Carrollton, KY

The soil mapped at the center of ZIP 41008 is Markland — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH6.2slightly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Markland silt loam, 2 to 6 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 41008; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Carrollton, KY

Summer high89 °Faverage high, July
Winter low25 °Faverage low, January
Hot days38days a year at 90 °F or more
Freezing nights91nights a year at 32 °F or less
Growing degree days4,193base 50 °F — the season’s usable heat
Longest day14 h 52 mindaylight on June 21
Shortest day9 h 28 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation49.7 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 41 °F, low 25 °F 41°25° JanFebruary: average high 46 °F, low 28 °F 46°28° FebMarch: average high 57 °F, low 35 °F 57°35° MarApril: average high 69 °F, low 45 °F 69°45° AprMay: average high 78 °F, low 55 °F 78°55° MayJune: average high 85 °F, low 63 °F 85°63° JunJuly: average high 89 °F, low 67 °F 89°67° JulAugust: average high 88 °F, low 66 °F 88°66° AugSeptember: average high 81 °F, low 59 °F 81°59° SepOctober: average high 69 °F, low 47 °F 69°47° OctNovember: average high 56 °F, low 36 °F 56°36° NovDecember: average high 45 °F, low 30 °F 45°30° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.42 in precipitation 3.4 JanFebruary: 3.42 in precipitation 3.4 FebMarch: 4.50 in precipitation 4.5 MarApril: 5.20 in precipitation 5.2 AprMay: 5.38 in precipitation 5.4 MayJune: 4.74 in precipitation 4.7 JunJuly: 4.91 in precipitation 4.9 JulAugust: 3.56 in precipitation 3.6 AugSeptember: 3.80 in precipitation 3.8 SepOctober: 3.29 in precipitation 3.3 OctNovember: 3.53 in precipitation 3.5 NovDecember: 3.91 in precipitation 3.9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Vevay, IN (8 mi away); precipitation: Bedford 4.7 N, KY (8 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

400756b
Turners Station, KY · 7 mi
400116b
Campbellsburg, KY · 9 mi
400066b
Bedford, KY · 9 mi
410456b
Ghent, KY · 10 mi
410836b
Sanders, KY · 10 mi
400456b
Milton, KY · 10 mi
470436b
Vevay, IN · 11 mi
410986b
Worthville, KY · 11 mi

Kentucky planting zones →

Questions about 41008

What planting zone is ZIP code 41008?

ZIP code 41008 (Carrollton, KY) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Carrollton, KY?

The median last spring frost (32 °F) near 41008 is April 9; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Vevay station.

When is the first frost in Carrollton, KY?

The median first fall frost near 41008 is November 1, giving a median frost-free growing season of 204 days.

When should I plant tomatoes in 41008?

Start tomato seeds indoors around Feb 12 – Feb 26 and set transplants outside around Apr 16 – Apr 30, one to three weeks after the median last frost.

How much rain and snow does 41008 get?

About 49.7 inches of precipitation a year (NOAA 1991–2020 normals, Bedford 4.7 N station).

How hot do summers get in Carrollton, KY?

The average high peaks at 89 °F in July, with about 38 days a year at 90 °F or more.

What kind of soil does 41008 have?

The USDA soil survey maps Markland at the center of ZIP 41008: silt loam, moderately well drained, pH about 6.2 (slightly acidic).

Did spring come early in Carrollton, KY in 2026?

Spring leaf-out near 41008 came on Mar 8 in 2026, 6 days earlier than the 1991–2020 average (Mar 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Carrollton, KY?

Intermediate onions: the longest day near 41008 is 14 h 52 min, so day-neutral types bulb best; long-day varieties may not bulb fully.