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

Planting zone for 12998 — Witherbee, NY

ZIP code 12998 (Witherbee, Essex County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is April 30 and the first fall frost October 17.

Where ZIP 12998 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 frostApr 30
First frostOct 17
2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Witherbee, 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 Witherbee, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 11only 10% chance of frost after
First fall frostOctober 17median — 10% chance by Oct 2
Growing season168 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 21 and returns around October 30.

From the NOAA station Vergennes, VT — 19 miles away, elevation 197 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 12998

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
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 (Apr 30) 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 12998 came on Apr 17 — 8 days earlier than the 1991–2020 average (Apr 25).

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.

Trees 60

Shrubs 99

Wildflowers & perennials 183

Grasses 166

Vines 5

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 Witherbee, NY.

Soil in Witherbee, NY

The soil mapped at the center of ZIP 12998 is Monadnock — highly decomposed plant material, well drained.

TextureHighly decomposed plant materialtop layer
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter60%high
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Monadnock fine sandy loam, 15 to 35 percent slopes, very bouldery.

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 12998; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Witherbee, NY

Summer high83 °Faverage high, July
Winter low10 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights152nights a year at 32 °F or less
Growing degree days2,520base 50 °F — the season’s usable heat
Longest day15 h 30 mindaylight on June 21
Shortest day8 h 52 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation37.9 inper year, rain and melted snow
Snowfall64 inper year

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 29 °F, low 10 °F 29°10° JanFebruary: average high 32 °F, low 10 °F 32°10° FebMarch: average high 41 °F, low 20 °F 41°20° MarApril: average high 55 °F, low 34 °F 55°34° AprMay: average high 68 °F, low 45 °F 68°45° MayJune: average high 77 °F, low 56 °F 77°56° JunJuly: average high 83 °F, low 61 °F 83°61° JulAugust: average high 81 °F, low 59 °F 81°59° AugSeptember: average high 73 °F, low 51 °F 73°51° SepOctober: average high 59 °F, low 40 °F 59°40° OctNovember: average high 47 °F, low 29 °F 47°29° NovDecember: average high 36 °F, low 18 °F 36°18° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.40 in precipitation, 13.1 in snowfall 2.4❄13 JanFebruary: 2.26 in precipitation, 17.2 in snowfall 2.3❄17 FebMarch: 2.79 in precipitation, 13.9 in snowfall 2.8❄14 MarApril: 3.13 in precipitation, 3.1 in snowfall 3.1❄3 AprMay: 3.26 in precipitation, 0.1 in snowfall 3.3 MayJune: 4.13 in precipitation 4.1 JunJuly: 3.61 in precipitation 3.6 JulAugust: 3.65 in precipitation 3.6 AugSeptember: 3.16 in precipitation 3.2 SepOctober: 3.69 in precipitation, 0.3 in snowfall 3.7 OctNovember: 2.98 in precipitation, 3.8 in snowfall 3.0❄4 NovDecember: 2.81 in precipitation, 12.2 in snowfall 2.8❄12 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Vergennes, VT (19 mi away); precipitation: Elizabethtown, NY (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

New York planting zones →

Questions about 12998

What planting zone is ZIP code 12998?

ZIP code 12998 (Witherbee, 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 Witherbee, NY?

The median last spring frost (32 °F) near 12998 is April 30; after May 11 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Vergennes station.

When is the first frost in Witherbee, NY?

The median first fall frost near 12998 is October 17, giving a median frost-free growing season of 168 days.

When should I plant tomatoes in 12998?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 12998 get?

About 37.9 inches of precipitation a year and 64 inches of snowfall (NOAA 1991–2020 normals, Elizabethtown station).

How hot do summers get in Witherbee, NY?

The average high peaks at 83 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 12998 have?

The USDA soil survey maps Monadnock at the center of ZIP 12998: highly decomposed plant material, well drained, pH about 4.3 (strongly acidic).

Did spring come early in Witherbee, NY in 2026?

Spring leaf-out near 12998 came on Apr 17 in 2026, 8 days earlier than the 1991–2020 average (Apr 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Witherbee, NY?

Long-day onions: the longest day near 12998 is 15 h 30 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).