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

Planting zone for 14591 — Wyoming, NY

ZIP code 14591 (Wyoming, Wyoming County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 4 and the first fall frost October 17.

Where ZIP 14591 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 4
First frostOct 17
2012 zone5b

Was 5b 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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Wyoming, 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 Wyoming, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 4median — 50% chance of a later frost
Safe for tender plantsMay 19only 10% chance of frost after
First fall frostOctober 17median — 10% chance by Oct 4
Growing season164 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 30.

From the NOAA station Wyoming 3w, NY — 2 miles away, elevation 1,558 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 14591

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 23 – Apr 6
SpinachSow outdoors · Mar 23 – Apr 13
Broccoli, cabbageStart indoors · Feb 23 – Mar 9
Broccoli, cabbageTransplant · Apr 13 – Apr 27
Onion setsPlant outdoors · Apr 6 – Apr 20
PotatoesPlant outdoors · Apr 13 – Apr 27
LettuceSow outdoors · Apr 6 – Apr 20
Carrots, beetsSow outdoors · Apr 13 – Apr 27
TomatoesStart indoors · Mar 9 – Mar 23
TomatoesTransplant · May 11 – May 25
Peppers, eggplantStart indoors · Feb 23 – Mar 9
Peppers, eggplantTransplant · May 18 – Jun 1
BeansSow outdoors · May 11 – May 25
Sweet cornSow outdoors · May 11 – May 25
Cucumbers, squashSow outdoors · May 11 – May 25
Fall lettuce, spinachSow outdoors · Aug 22 – Sep 5
GarlicPlant cloves · Oct 3 – Nov 7
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 4) and first fall frost (Oct 17) 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 14591 came on Apr 13 — 3 days earlier than the 1991–2020 average (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).

Soil in Wyoming, NY

The soil mapped at the center of ZIP 14591 is Lansing — gravelly silt loam, well drained.

TextureGravelly silt loama good balance for most vegetables
pH5.8moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Lansing gravelly silt loam, 8 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 14591; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Wyoming, NY

Summer high77 °Faverage high, July
Winter low15 °Faverage low, January
Hot days1days a year at 90 °F or more
Freezing nights151nights a year at 32 °F or less
Growing degree days2,128base 50 °F — the season’s usable heat
Longest day15 h 20 mindaylight on June 21
Shortest day9 h 01 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation41.8 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 30 °F, low 15 °F 30°15° JanFebruary: average high 31 °F, low 15 °F 31°15° FebMarch: average high 38 °F, low 22 °F 38°22° MarApril: average high 53 °F, low 32 °F 53°32° AprMay: average high 65 °F, low 45 °F 65°45° MayJune: average high 73 °F, low 56 °F 73°56° JunJuly: average high 77 °F, low 59 °F 77°59° JulAugust: average high 75 °F, low 58 °F 75°58° AugSeptember: average high 68 °F, low 51 °F 68°51° SepOctober: average high 57 °F, low 40 °F 57°40° OctNovember: average high 45 °F, low 30 °F 45°30° NovDecember: average high 35 °F, low 21 °F 35°21° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.53 in precipitation 3.5 JanFebruary: 2.72 in precipitation 2.7 FebMarch: 3.09 in precipitation 3.1 MarApril: 3.39 in precipitation 3.4 AprMay: 3.35 in precipitation 3.4 MayJune: 4.00 in precipitation 4.0 JunJuly: 4.76 in precipitation 4.8 JulAugust: 3.60 in precipitation 3.6 AugSeptember: 3.40 in precipitation 3.4 SepOctober: 3.75 in precipitation 3.8 OctNovember: 3.38 in precipitation 3.4 NovDecember: 2.81 in precipitation 2.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wyoming 3w, NY (2 mi away); precipitation: Wyoming 3w, NY (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

New York planting zones →

Questions about 14591

What planting zone is ZIP code 14591?

ZIP code 14591 (Wyoming, NY) 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 Wyoming, NY?

The median last spring frost (32 °F) near 14591 is May 4; after May 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wyoming 3w station.

When is the first frost in Wyoming, NY?

The median first fall frost near 14591 is October 17, giving a median frost-free growing season of 164 days.

When should I plant tomatoes in 14591?

Start tomato seeds indoors around Mar 9 – Mar 23 and set transplants outside around May 11 – May 25, one to three weeks after the median last frost.

How much rain and snow does 14591 get?

About 41.8 inches of precipitation a year (NOAA 1991–2020 normals, Wyoming 3w station).

How hot do summers get in Wyoming, NY?

The average high peaks at 77 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 14591 have?

The USDA soil survey maps Lansing at the center of ZIP 14591: gravelly silt loam, well drained, pH about 5.8 (moderately acidic).

Did spring come early in Wyoming, NY in 2026?

Spring leaf-out near 14591 came on Apr 13 in 2026, 3 days earlier than the 1991–2020 average (Apr 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Wyoming, NY?

Long-day onions: the longest day near 14591 is 15 h 20 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 14591 change?

Yes. The 2012 USDA map put 14591 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.