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

Planting zone for 41055 — Mayslick, KY

ZIP code 41055 (Mayslick, Mason County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 12 and the first fall frost October 30.

Where ZIP 41055 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 12

First frostOct 30

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 Mayslick, 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 Mayslick, 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 2only 10% chance of frost after

First fall frostOctober 30median — 10% chance by Oct 17

Growing season200 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 31 and returns around November 8.

From the NOAA station Flemingsburg 2 N, KY — 9 miles away, elevation 942 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 41055

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 · Sep 4 – Sep 18

GarlicPlant cloves · Oct 16 – Nov 20

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 12) and first fall frost (Oct 30) 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 41055 came on Mar 8 — 8 days earlier than the 1991–2020 average (Mar 16).

average
Mar 162026
Mar 8

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).

Native plants for zone 6b in Kentucky

531 plants native to the lower 48 states, recorded in Kentucky, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Mayslick, KY.

Soil in Mayslick, KY

The soil mapped at the center of ZIP 41055 is Lowell — silt loam, well drained.

TextureSilt loama good balance for most vegetables

pH6.1slightly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.75%low — add compost

Hydrologic groupCwater soaks in slowly

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Lowell-Faywood silt loams, 6 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 41055; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Mayslick, KY

Summer high86 °Faverage high, July

Winter low23 °Faverage low, January

Hot days21days a year at 90 °F or more

Freezing nights100nights a year at 32 °F or less

Growing degree days3,735base 50 °F — the season’s usable heat

Longest day14 h 51 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

Precipitation48.9 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Flemingsburg 2 N, KY (9 mi away); precipitation: Maysville 6.8 Sse, KY (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

410966b

Washington, KY · 7 mi

410566b

Maysville, KY · 7 mi

410376b

Elizaville, KY · 8 mi

410396b

Ewing, KY · 8 mi

410446b

Germantown, KY · 8 mi

410646b

Mount Olivet, KY · 11 mi

410346b

Dover, KY · 11 mi

410416b

Flemingsburg, KY · 11 mi

Kentucky planting zones →

Questions about 41055

What planting zone is ZIP code 41055?

ZIP code 41055 (Mayslick, 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 Mayslick, KY?

The median last spring frost (32 °F) near 41055 is April 12; after May 2 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Flemingsburg 2 N station.

When is the first frost in Mayslick, KY?

The median first fall frost near 41055 is October 30, giving a median frost-free growing season of 200 days.

When should I plant tomatoes in 41055?

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 41055 get?

About 48.9 inches of precipitation a year (NOAA 1991–2020 normals, Maysville 6.8 Sse station).

How hot do summers get in Mayslick, KY?

The average high peaks at 86 °F in July, with about 21 days a year at 90 °F or more.

What kind of soil does 41055 have?

The USDA soil survey maps Lowell at the center of ZIP 41055: silt loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Mayslick, KY in 2026?

Spring leaf-out near 41055 came on Mar 8 in 2026, 8 days earlier than the 1991–2020 average (Mar 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Mayslick, KY?

Intermediate onions: the longest day near 41055 is 14 h 51 min, so day-neutral types bulb best; long-day varieties may not bulb fully.