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

Planting zone for 45101 — Aberdeen, OH

ZIP code 45101 (Aberdeen, Brown County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 18 and the first fall frost October 30.

Where ZIP 45101 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 18

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 Aberdeen, OH…

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 Aberdeen, OH

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostApril 18median — 50% chance of a later frost

Safe for tender plantsMay 4only 10% chance of frost after

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

Growing season195 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 5 and returns around November 8.

From the NOAA station Maysville Wwtp, KY — 3 miles away, elevation 515 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 45101

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 7 – Mar 21

SpinachSow outdoors · Mar 7 – Mar 28

Broccoli, cabbageStart indoors · Feb 7 – Feb 21

Broccoli, cabbageTransplant · Mar 28 – Apr 11

Onion setsPlant outdoors · Mar 21 – Apr 4

PotatoesPlant outdoors · Mar 28 – Apr 11

LettuceSow outdoors · Mar 21 – Apr 4

Carrots, beetsSow outdoors · Mar 28 – Apr 11

TomatoesStart indoors · Feb 21 – Mar 7

TomatoesTransplant · Apr 25 – May 9

Peppers, eggplantStart indoors · Feb 7 – Feb 21

Peppers, eggplantTransplant · May 2 – May 16

BeansSow outdoors · Apr 25 – May 9

Sweet cornSow outdoors · Apr 25 – May 9

Cucumbers, squashSow outdoors · Apr 25 – May 9

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 18) 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 45101 came on Mar 10 — 10 days earlier than the 1991–2020 average (Mar 20).

average
Mar 202026
Mar 10

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 Ohio

570 plants native to the lower 48 states, recorded in Ohio, 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 Aberdeen, OH.

Soil in Aberdeen, OH

The soil mapped at the center of ZIP 45101 is Eden — flaggy silt loam, well drained.

TextureFlaggy silt loama good balance for most vegetables

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter0.75%low — add compost

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Eden flaggy silt loam, 25 to 40 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 45101; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Aberdeen, OH

Summer high87 °Faverage high, July

Winter low23 °Faverage low, January

Hot days26days a year at 90 °F or more

Freezing nights107nights a year at 32 °F or less

Growing degree days3,760base 50 °F — the season’s usable heat

Longest day14 h 53 mindaylight on June 21

Shortest day9 h 27 mindaylight on December 21

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

Precipitation48.3 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: Maysville Wwtp, KY (3 mi away); precipitation: Maysville Wwtp, KY (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

451446b

Manchester, OH · 6 mi

Bentonville, OH · 7 mi

410966b

Washington, KY · 7 mi

Ohio planting zones →

Questions about 45101

What planting zone is ZIP code 45101?

ZIP code 45101 (Aberdeen, OH) 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 Aberdeen, OH?

The median last spring frost (32 °F) near 45101 is April 18; after May 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Maysville Wwtp station.

When is the first frost in Aberdeen, OH?

The median first fall frost near 45101 is October 30, giving a median frost-free growing season of 195 days.

When should I plant tomatoes in 45101?

Start tomato seeds indoors around Feb 21 – Mar 7 and set transplants outside around Apr 25 – May 9, one to three weeks after the median last frost.

How much rain and snow does 45101 get?

About 48.3 inches of precipitation a year (NOAA 1991–2020 normals, Maysville Wwtp station).

How hot do summers get in Aberdeen, OH?

The average high peaks at 87 °F in July, with about 26 days a year at 90 °F or more.

What kind of soil does 45101 have?

The USDA soil survey maps Eden at the center of ZIP 45101: flaggy silt loam, well drained, pH about 6.5 (neutral).

Did spring come early in Aberdeen, OH in 2026?

Spring leaf-out near 45101 came on Mar 10 in 2026, 10 days earlier than the 1991–2020 average (Mar 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Aberdeen, OH?

Intermediate onions: the longest day near 45101 is 14 h 53 min, so day-neutral types bulb best; long-day varieties may not bulb fully.