Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 42352 — Livermore, KY

ZIP code 42352 (Livermore, McLean County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 2 and the first fall frost November 1.

Where ZIP 42352 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.

Zone7a0 to 5 °F

Coldest night−17.8 to −15 °C

Last frostApr 2

First frostNov 1

2012 zone6b

Was 6b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Livermore, 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 Livermore, KY

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 2median — 50% chance of a later frost

Safe for tender plantsApril 20only 10% chance of frost after

First fall frostNovember 1median — 10% chance by Oct 19

Growing season211 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 23 and returns around November 10.

From the NOAA station Calhoun Lock 2, KY — 10 miles away, elevation 404 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 42352

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 19 – Mar 5

SpinachSow outdoors · Feb 19 – Mar 12

Broccoli, cabbageStart indoors · Jan 22 – Feb 5

Broccoli, cabbageTransplant · Mar 12 – Mar 26

Onion setsPlant outdoors · Mar 5 – Mar 19

PotatoesPlant outdoors · Mar 12 – Mar 26

LettuceSow outdoors · Mar 5 – Mar 19

Carrots, beetsSow outdoors · Mar 12 – Mar 26

TomatoesStart indoors · Feb 5 – Feb 19

TomatoesTransplant · Apr 9 – Apr 23

Peppers, eggplantStart indoors · Jan 22 – Feb 5

Peppers, eggplantTransplant · Apr 16 – Apr 30

BeansSow outdoors · Apr 9 – Apr 23

Sweet cornSow outdoors · Apr 9 – Apr 23

Cucumbers, squashSow outdoors · Apr 9 – Apr 23

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 2) 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 42352 came on Mar 2 — 6 days earlier than the 1991–2020 average (Mar 8).

average
Mar 82026
Mar 2

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 Livermore, KY

The soil mapped at the center of ZIP 42352 is Wellston — silt loam, well drained.

TextureSilt loama good balance for most vegetables

pH5.8moderately acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.5%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Wellston silt loam, 12 to 30 percent slopes, severely eroded.

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 42352; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Livermore, KY

Summer high87 °Faverage high, July

Winter low26 °Faverage low, January

Hot days34days a year at 90 °F or more

Freezing nights83nights a year at 32 °F or less

Growing degree days4,293base 50 °F — the season’s usable heat

Longest day14 h 45 mindaylight on June 21

Shortest day9 h 34 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation45.6 inper year, rain and melted snow

Snowfall4 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Calhoun Lock 2, KY (10 mi away); precipitation: Calhoun Lock 2, KY (10 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

423287a

Centertown, KY · 6 mi

South Carrollton, KY · 13 mi

Kentucky planting zones →

Questions about 42352

What planting zone is ZIP code 42352?

ZIP code 42352 (Livermore, KY) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Livermore, KY?

The median last spring frost (32 °F) near 42352 is April 2; after April 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Calhoun Lock 2 station.

When is the first frost in Livermore, KY?

The median first fall frost near 42352 is November 1, giving a median frost-free growing season of 211 days.

When should I plant tomatoes in 42352?

Start tomato seeds indoors around Feb 5 – Feb 19 and set transplants outside around Apr 9 – Apr 23, one to three weeks after the median last frost.

How much rain and snow does 42352 get?

About 45.6 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Calhoun Lock 2 station).

How hot do summers get in Livermore, KY?

The average high peaks at 87 °F in July, with about 34 days a year at 90 °F or more.

What kind of soil does 42352 have?

The USDA soil survey maps Wellston at the center of ZIP 42352: silt loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Livermore, KY in 2026?

Spring leaf-out near 42352 came on Mar 2 in 2026, 6 days earlier than the 1991–2020 average (Mar 8), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Livermore, KY?

Intermediate onions: the longest day near 42352 is 14 h 45 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 42352 change?

Yes. The 2012 USDA map put 42352 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.