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

Planting zone for 14855 — Jasper, NY

ZIP code 14855 (Jasper, Steuben County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 14 and the first fall frost October 5.

Where ZIP 14855 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostMay 14
First frostOct 5
2012 zone5b

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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Jasper, 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 Jasper, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 14median — 50% chance of a later frost
Safe for tender plantsMay 28only 10% chance of frost after
First fall frostOctober 5median — 10% chance by Sep 23
Growing season144 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 3 and returns around October 19.

From the NOAA station Addison, NY — 14 miles away, elevation 1,001 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 14855

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 2 – Apr 16
SpinachSow outdoors · Apr 2 – Apr 23
Broccoli, cabbageStart indoors · Mar 5 – Mar 19
Broccoli, cabbageTransplant · Apr 23 – May 7
Onion setsPlant outdoors · Apr 16 – Apr 30
PotatoesPlant outdoors · Apr 23 – May 7
LettuceSow outdoors · Apr 16 – Apr 30
Carrots, beetsSow outdoors · Apr 23 – May 7
TomatoesStart indoors · Mar 19 – Apr 2
TomatoesTransplant · May 21 – Jun 4
Peppers, eggplantStart indoors · Mar 5 – Mar 19
Peppers, eggplantTransplant · May 28 – Jun 11
BeansSow outdoors · May 21 – Jun 4
Sweet cornSow outdoors · May 21 – Jun 4
Cucumbers, squashSow outdoors · May 21 – Jun 4
Fall lettuce, spinachSow outdoors · Aug 10 – Aug 24
GarlicPlant cloves · Sep 21 – Oct 26
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 14) and first fall frost (Oct 5) 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 14855 came on Apr 6 — 8 days earlier than the 1991–2020 average (Apr 14).

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 5b in New York

609 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 75

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 120

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 208

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 185

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °FAmerican beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbeaked sedge4 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 7

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °Ftrumpet honeysuckle16 ft · blooms late summer · low shade tolerance · to −33 °F

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 Jasper, NY.

Soil in Jasper, NY

The soil mapped at the center of ZIP 14855 is Lordstown — moderately decomposed plant material, well drained.

TextureModerately decomposed plant materialtop layer
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter80%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Lordstown-Arnot complex, steep, rocky.

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 14855; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Jasper, NY

Summer high82 °Faverage high, July
Winter low14 °Faverage low, January
Hot days9days a year at 90 °F or more
Freezing nights165nights a year at 32 °F or less
Growing degree days2,277base 50 °F — the season’s usable heat
Longest day15 h 16 mindaylight on June 21
Shortest day9 h 06 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.2 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 33 °F, low 14 °F 33°14° JanFebruary: average high 36 °F, low 14 °F 36°14° FebMarch: average high 44 °F, low 21 °F 44°21° MarApril: average high 58 °F, low 31 °F 58°31° AprMay: average high 70 °F, low 41 °F 70°41° MayJune: average high 78 °F, low 51 °F 78°51° JunJuly: average high 82 °F, low 56 °F 82°56° JulAugust: average high 81 °F, low 55 °F 81°55° AugSeptember: average high 74 °F, low 47 °F 74°47° SepOctober: average high 62 °F, low 37 °F 62°37° OctNovember: average high 49 °F, low 28 °F 49°28° NovDecember: average high 38 °F, low 21 °F 38°21° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.16 in precipitation 2.2 JanFebruary: 1.82 in precipitation 1.8 FebMarch: 2.46 in precipitation 2.5 MarApril: 3.59 in precipitation 3.6 AprMay: 3.01 in precipitation 3.0 MayJune: 4.10 in precipitation 4.1 JunJuly: 3.54 in precipitation 3.5 JulAugust: 3.59 in precipitation 3.6 AugSeptember: 3.70 in precipitation 3.7 SepOctober: 3.26 in precipitation 3.3 OctNovember: 2.81 in precipitation 2.8 NovDecember: 2.16 in precipitation 2.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Addison, NY (14 mi away); precipitation: Troupsburg 4 Ne, NY (6 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.

148195b
Cameron, NY · 6 mi
148396a
Greenwood, NY · 7 mi
148235b
Canisteo, NY · 7 mi
148985b
Woodhull, NY · 7 mi
148205b
Cameron Mills, NY · 7 mi
148856a
Troupsburg, NY · 8 mi
148015b
Addison, NY · 11 mi
148775b
Rexville, NY · 11 mi

New York planting zones →

Questions about 14855

What planting zone is ZIP code 14855?

ZIP code 14855 (Jasper, NY) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Jasper, NY?

The median last spring frost (32 °F) near 14855 is May 14; after May 28 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Addison station.

When is the first frost in Jasper, NY?

The median first fall frost near 14855 is October 5, giving a median frost-free growing season of 144 days.

When should I plant tomatoes in 14855?

Start tomato seeds indoors around Mar 19 – Apr 2 and set transplants outside around May 21 – Jun 4, one to three weeks after the median last frost.

How much rain and snow does 14855 get?

About 36.2 inches of precipitation a year (NOAA 1991–2020 normals, Troupsburg 4 Ne station).

How hot do summers get in Jasper, NY?

The average high peaks at 82 °F in July, with about 9 days a year at 90 °F or more.

What kind of soil does 14855 have?

The USDA soil survey maps Lordstown at the center of ZIP 14855: moderately decomposed plant material, well drained, pH about 4.8 (strongly acidic).

Did spring come early in Jasper, NY in 2026?

Spring leaf-out near 14855 came on Apr 6 in 2026, 8 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Jasper, NY?

Long-day onions: the longest day near 14855 is 15 h 16 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).