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

Planting zone for 13327 — Croghan, NY

ZIP code 13327 (Croghan, Lewis County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 15 and the first fall frost October 2.

Where ZIP 13327 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.

Zone4b−25 to −20 °F

Coldest night−31.7 to −28.9 °C

Last frostMay 15

First frostOct 2

2012 zone4a

Was 4a 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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Croghan, NY…

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 Croghan, NY

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMay 15median — 50% chance of a later frost

Safe for tender plantsMay 31only 10% chance of frost after

First fall frostOctober 2median — 10% chance by Sep 20

Growing season139 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 4 and returns around October 12.

From the NOAA station Stillwater Rsvr, NY — 12 miles away, elevation 1,690 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 13327

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 3 – Apr 17

SpinachSow outdoors · Apr 3 – Apr 24

Broccoli, cabbageStart indoors · Mar 6 – Mar 20

Broccoli, cabbageTransplant · Apr 24 – May 8

Onion setsPlant outdoors · Apr 17 – May 1

PotatoesPlant outdoors · Apr 24 – May 8

LettuceSow outdoors · Apr 17 – May 1

Carrots, beetsSow outdoors · Apr 24 – May 8

TomatoesStart indoors · Mar 20 – Apr 3

TomatoesTransplant · May 22 – Jun 5

Peppers, eggplantStart indoors · Mar 6 – Mar 20

Peppers, eggplantTransplant · May 29 – Jun 12

BeansSow outdoors · May 22 – Jun 5

Sweet cornSow outdoors · May 22 – Jun 5

Cucumbers, squashSow outdoors · May 22 – Jun 5

Fall lettuce, spinachSow outdoors · Aug 7 – Aug 21

GarlicPlant cloves · Sep 18 – Oct 23

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 15) and first fall frost (Oct 2) 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 13327 came on Apr 16 — 7 days earlier than the 1991–2020 average (Apr 23).

average
Apr 232026
Apr 16

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 4b in New York

526 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. 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 Croghan, NY.

Soil in Croghan, NY

The soil mapped at the center of ZIP 13327 is Colton — highly decomposed plant material, excessively drained.

TextureHighly decomposed plant materialtop layer

pH4.2strongly acidic; most vegetables like 6.0–7.0

DrainageExcessively drainednatural drainage class

Organic matter60%high

Hydrologic groupAwater soaks in fast

Farmland classNot prime farmlandUSDA classification

Map unit: Colton-Adams complex, 3 to 15 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 13327; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Croghan, NY

Summer high75 °Faverage high, July

Winter low4 °Faverage low, January

Hot days0days a year at 90 °F or more

Freezing nights181nights a year at 32 °F or less

Growing degree days1,697base 50 °F — the season’s usable heat

Longest day15 h 29 mindaylight on June 21

Shortest day8 h 53 mindaylight on December 21

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

Precipitation42.1 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: Stillwater Rsvr, NY (12 mi away); precipitation: Beaver Falls, NY (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

133054b

Beaver Falls, NY · 10 mi

136654b

Natural Bridge, NY · 10 mi

136204b

Castorland, NY · 10 mi

136484b

Harrisville, NY · 12 mi

133314a

Eagle Bay, NY · 15 mi

133434b

Glenfield, NY · 16 mi

136194b

Carthage, NY · 16 mi

136274b

Deer River, NY · 17 mi

New York planting zones →

Questions about 13327

What planting zone is ZIP code 13327?

ZIP code 13327 (Croghan, NY) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Croghan, NY?

The median last spring frost (32 °F) near 13327 is May 15; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Stillwater Rsvr station.

When is the first frost in Croghan, NY?

The median first fall frost near 13327 is October 2, giving a median frost-free growing season of 139 days.

When should I plant tomatoes in 13327?

Start tomato seeds indoors around Mar 20 – Apr 3 and set transplants outside around May 22 – Jun 5, one to three weeks after the median last frost.

How much rain and snow does 13327 get?

About 42.1 inches of precipitation a year (NOAA 1991–2020 normals, Beaver Falls station).

How hot do summers get in Croghan, NY?

The average high peaks at 75 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 13327 have?

The USDA soil survey maps Colton at the center of ZIP 13327: highly decomposed plant material, excessively drained, pH about 4.2 (strongly acidic).

Did spring come early in Croghan, NY in 2026?

Spring leaf-out near 13327 came on Apr 16 in 2026, 7 days earlier than the 1991–2020 average (Apr 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Croghan, NY?

Long-day onions: the longest day near 13327 is 15 h 29 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 13327 change?

Yes. The 2012 USDA map put 13327 in zone 4a; the 2023 map puts it in zone 4b. The newer map uses 1991–2020 data and more weather stations.