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

Planting zone for 16401 — Albion, PA

ZIP code 16401 (Albion, Erie County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 8 and the first fall frost October 16.

Where ZIP 16401 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.

Zone6a−10 to −5 °F

Coldest night−23.3 to −20.6 °C

Last frostMay 8

First frostOct 16

2012 zone6a

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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Albion, PA…

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 Albion, PA

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 8median — 50% chance of a later frost

Safe for tender plantsMay 23only 10% chance of frost after

First fall frostOctober 16median — 10% chance by Oct 1

Growing season160 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 26 and returns around November 1.

From the NOAA station Springboro 3 Wnw, PA — 4 miles away, elevation 1,004 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 16401

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 27 – Apr 10

SpinachSow outdoors · Mar 27 – Apr 17

Broccoli, cabbageStart indoors · Feb 27 – Mar 13

Broccoli, cabbageTransplant · Apr 17 – May 1

Onion setsPlant outdoors · Apr 10 – Apr 24

PotatoesPlant outdoors · Apr 17 – May 1

LettuceSow outdoors · Apr 10 – Apr 24

Carrots, beetsSow outdoors · Apr 17 – May 1

TomatoesStart indoors · Mar 13 – Mar 27

TomatoesTransplant · May 15 – May 29

Peppers, eggplantStart indoors · Feb 27 – Mar 13

Peppers, eggplantTransplant · May 22 – Jun 5

BeansSow outdoors · May 15 – May 29

Sweet cornSow outdoors · May 15 – May 29

Cucumbers, squashSow outdoors · May 15 – May 29

Fall lettuce, spinachSow outdoors · Aug 21 – Sep 4

GarlicPlant cloves · Oct 2 – Nov 6

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 8) and first fall frost (Oct 16) 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 16401 came on Mar 26 — 12 days earlier than the 1991–2020 average (Apr 7).

average
Apr 72026
Mar 26

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 6a in Pennsylvania

598 plants native to the lower 48 states, recorded in Pennsylvania, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. 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 Albion, PA.

Soil in Albion, PA

The soil mapped at the center of ZIP 16401 is Red Hook — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables

pH5.4strongly acidic; most vegetables like 6.0–7.0

DrainageSomewhat poorly drainedconsider raised beds

Organic matter4%moderate

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classPrime farmland if drainedUSDA classification

Map unit: Red Hook silt loam, 0 to 3 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 16401; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Albion, PA

Summer high80 °Faverage high, July

Winter low17 °Faverage low, January

Hot days3days a year at 90 °F or more

Freezing nights141nights a year at 32 °F or less

Growing degree days2,397base 50 °F — the season’s usable heat

Longest day15 h 14 mindaylight on June 21

Shortest day9 h 08 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation48.2 inper year, rain and melted snow

Snowfall111 inper year; 81 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Springboro 3 Wnw, PA (4 mi away); precipitation: Springboro 3 Wnw, PA (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

164756a

Albion, PA · 2 mi

164356a

Springboro, PA · 4 mi

164436b

West Springfield, PA · 5 mi

164106a

Cranesville, PA · 6 mi

164116b

East Springfield, PA · 7 mi

164176b

Girard, PA · 8 mi

164307a

North Springfield, PA · 9 mi

164066a

Conneautville, PA · 9 mi

All 2 ZIP codes in Albion → · Pennsylvania planting zones →

Questions about 16401

What planting zone is ZIP code 16401?

ZIP code 16401 (Albion, PA) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Albion, PA?

The median last spring frost (32 °F) near 16401 is May 8; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Springboro 3 Wnw station.

When is the first frost in Albion, PA?

The median first fall frost near 16401 is October 16, giving a median frost-free growing season of 160 days.

When should I plant tomatoes in 16401?

Start tomato seeds indoors around Mar 13 – Mar 27 and set transplants outside around May 15 – May 29, one to three weeks after the median last frost.

How much rain and snow does 16401 get?

About 48.2 inches of precipitation a year and 111 inches of snowfall (NOAA 1991–2020 normals, Springboro 3 Wnw station).

How hot do summers get in Albion, PA?

The average high peaks at 80 °F in July, with about 3 days a year at 90 °F or more.

What kind of soil does 16401 have?

The USDA soil survey maps Red Hook at the center of ZIP 16401: silt loam, somewhat poorly drained, pH about 5.4 (strongly acidic).

Did spring come early in Albion, PA in 2026?

Spring leaf-out near 16401 came on Mar 26 in 2026, 12 days earlier than the 1991–2020 average (Apr 7), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Albion, PA?

Long-day onions: the longest day near 16401 is 15 h 14 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).