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

Planting zone for 40018 — Eastwood, KY

ZIP code 40018 (Eastwood, Jefferson County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 12 and the first fall frost October 25.

Where ZIP 40018 is

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 12
First frostOct 25
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 Eastwood, 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 Eastwood, KY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 12median — 50% chance of a later frost
Safe for tender plantsMay 1only 10% chance of frost after
First fall frostOctober 25median — 10% chance by Oct 11
Growing season193 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 3.

From the NOAA station Crestwood 4ne, KY — 9 miles away, elevation 781 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 40018

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 1 – Mar 15
SpinachSow outdoors · Mar 1 – Mar 22
Broccoli, cabbageStart indoors · Feb 1 – Feb 15
Broccoli, cabbageTransplant · Mar 22 – Apr 5
Onion setsPlant outdoors · Mar 15 – Mar 29
PotatoesPlant outdoors · Mar 22 – Apr 5
LettuceSow outdoors · Mar 15 – Mar 29
Carrots, beetsSow outdoors · Mar 22 – Apr 5
TomatoesStart indoors · Feb 15 – Mar 1
TomatoesTransplant · Apr 19 – May 3
Peppers, eggplantStart indoors · Feb 1 – Feb 15
Peppers, eggplantTransplant · Apr 26 – May 10
BeansSow outdoors · Apr 19 – May 3
Sweet cornSow outdoors · Apr 19 – May 3
Cucumbers, squashSow outdoors · Apr 19 – May 3
Fall lettuce, spinachSow outdoors · Aug 30 – Sep 13
GarlicPlant cloves · Oct 11 – Nov 15
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 12) and first fall frost (Oct 25) 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 40018 came on Mar 6 — 5 days earlier than the 1991–2020 average (Mar 11).

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 Eastwood, KY

The soil mapped at the center of ZIP 40018 is Beasley — silt loam, well drained. Much of the area is built over (urban land); this is the natural soil underneath.

TextureSilt loama good balance for most vegetables
pH6.7neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.25%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Urban land-Alfic Udarents-Beasley complex, 0 to 12 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 40018; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eastwood, KY

Summer high88 °Faverage high, July
Winter low23 °Faverage low, January
Hot days37days a year at 90 °F or more
Freezing nights105nights a year at 32 °F or less
Growing degree days3,944base 50 °F — the season’s usable heat
Longest day14 h 50 mindaylight on June 21
Shortest day9 h 30 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation51.2 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 23 °F 41°23° JanFebruary: average high 45 °F, low 27 °F 45°27° FebMarch: average high 56 °F, low 33 °F 56°33° MarApril: average high 68 °F, low 44 °F 68°44° AprMay: average high 77 °F, low 54 °F 77°54° MayJune: average high 85 °F, low 62 °F 85°62° JunJuly: average high 88 °F, low 65 °F 88°65° JulAugust: average high 87 °F, low 64 °F 87°64° AugSeptember: average high 81 °F, low 56 °F 81°56° SepOctober: average high 68 °F, low 45 °F 68°45° OctNovember: average high 54 °F, low 34 °F 54°34° NovDecember: average high 44 °F, low 27 °F 44°27° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.64 in precipitation 3.6 JanFebruary: 3.56 in precipitation 3.6 FebMarch: 4.64 in precipitation 4.6 MarApril: 4.96 in precipitation 5.0 AprMay: 5.45 in precipitation 5.5 MayJune: 4.83 in precipitation 4.8 JunJuly: 4.98 in precipitation 5.0 JulAugust: 3.34 in precipitation 3.3 AugSeptember: 4.13 in precipitation 4.1 SepOctober: 3.73 in precipitation 3.7 OctNovember: 3.56 in precipitation 3.6 NovDecember: 4.39 in precipitation 4.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Crestwood 4ne, KY (9 mi away); precipitation: Middletown 4.9 Ene, KY (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

402457a
Louisville, KY · 2 mi
402437a
Louisville, KY · 4 mi
400676b
Simpsonville, KY · 5 mi
402237a
Louisville, KY · 5 mi
400237a
Fisherville, KY · 5 mi
400566b
Pewee Valley, KY · 5 mi
402997a
Louisville, KY · 7 mi
400146b
Crestwood, KY · 8 mi

Kentucky planting zones →

Questions about 40018

What planting zone is ZIP code 40018?

ZIP code 40018 (Eastwood, 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 Eastwood, KY?

The median last spring frost (32 °F) near 40018 is April 12; after May 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Crestwood 4ne station.

When is the first frost in Eastwood, KY?

The median first fall frost near 40018 is October 25, giving a median frost-free growing season of 193 days.

When should I plant tomatoes in 40018?

Start tomato seeds indoors around Feb 15 – Mar 1 and set transplants outside around Apr 19 – May 3, one to three weeks after the median last frost.

How much rain and snow does 40018 get?

About 51.2 inches of precipitation a year (NOAA 1991–2020 normals, Middletown 4.9 Ene station).

How hot do summers get in Eastwood, KY?

The average high peaks at 88 °F in July, with about 37 days a year at 90 °F or more.

What kind of soil does 40018 have?

The USDA soil survey maps Beasley at the center of ZIP 40018: silt loam, well drained, pH about 6.7 (neutral).

Did spring come early in Eastwood, KY in 2026?

Spring leaf-out near 40018 came on Mar 6 in 2026, 5 days earlier than the 1991–2020 average (Mar 11), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eastwood, KY?

Intermediate onions: the longest day near 40018 is 14 h 50 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 40018 change?

Yes. The 2012 USDA map put 40018 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.