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

Planting zone for 13093 — Lycoming, NY

ZIP code 13093 (Lycoming, Oswego County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 22 and the first fall frost October 29.

Where ZIP 13093 is

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 frostApr 22
First frostOct 29
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 Lycoming, 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 Lycoming, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 22median — 50% chance of a later frost
Safe for tender plantsMay 7only 10% chance of frost after
First fall frostOctober 29median — 10% chance by Oct 9
Growing season187 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 10 and returns around November 10.

From the NOAA station Oswego, NY — 8 miles away, elevation 325 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 13093

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 11 – Mar 25
SpinachSow outdoors · Mar 11 – Apr 1
Broccoli, cabbageStart indoors · Feb 11 – Feb 25
Broccoli, cabbageTransplant · Apr 1 – Apr 15
Onion setsPlant outdoors · Mar 25 – Apr 8
PotatoesPlant outdoors · Apr 1 – Apr 15
LettuceSow outdoors · Mar 25 – Apr 8
Carrots, beetsSow outdoors · Apr 1 – Apr 15
TomatoesStart indoors · Feb 25 – Mar 11
TomatoesTransplant · Apr 29 – May 13
Peppers, eggplantStart indoors · Feb 11 – Feb 25
Peppers, eggplantTransplant · May 6 – May 20
BeansSow outdoors · Apr 29 – May 13
Sweet cornSow outdoors · Apr 29 – May 13
Cucumbers, squashSow outdoors · Apr 29 – May 13
Fall lettuce, spinachSow outdoors · Sep 3 – Sep 17
GarlicPlant cloves · Oct 15 – Nov 19
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 22) and first fall frost (Oct 29) 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 13093 came on Apr 10 — 5 days earlier than the 1991–2020 average (Apr 15).

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 New York

635 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 77

Shrubs 129

Wildflowers & perennials 215

Grasses 189

Vines 8

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 Lycoming, NY.

Soil in Lycoming, NY

The soil mapped at the center of ZIP 13093 is Ira — gravelly fine sandy loam, moderately well drained.

TextureGravelly fine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.9moderately acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter4%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Ira gravelly fine sandy loam, 3 to 8 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 13093; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lycoming, NY

Summer high80 °Faverage high, July
Winter low19 °Faverage low, January
Hot days3days a year at 90 °F or more
Freezing nights119nights a year at 32 °F or less
Growing degree days2,660base 50 °F — the season’s usable heat
Longest day15 h 25 mindaylight on June 21
Shortest day8 h 57 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation43.1 inper year, rain and melted snow
Snowfall140 inper year; 89 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 31 °F, low 19 °F 31°19° JanFebruary: average high 33 °F, low 20 °F 33°20° FebMarch: average high 41 °F, low 27 °F 41°27° MarApril: average high 53 °F, low 37 °F 53°37° AprMay: average high 66 °F, low 48 °F 66°48° MayJune: average high 75 °F, low 57 °F 75°57° JunJuly: average high 80 °F, low 63 °F 80°63° JulAugust: average high 79 °F, low 62 °F 79°62° AugSeptember: average high 72 °F, low 55 °F 72°55° SepOctober: average high 59 °F, low 45 °F 59°45° OctNovember: average high 47 °F, low 35 °F 47°35° NovDecember: average high 37 °F, low 26 °F 37°26° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 3.76 in precipitation, 44.7 in snowfall 3.8❄45 JanFebruary: 2.85 in precipitation, 35.3 in snowfall 2.9❄35 FebMarch: 3.03 in precipitation, 17.1 in snowfall 3.0❄17 MarApril: 3.48 in precipitation, 2.8 in snowfall 3.5❄3 AprMay: 3.29 in precipitation 3.3 MayJune: 3.38 in precipitation 3.4 JunJuly: 3.37 in precipitation 3.4 JulAugust: 3.45 in precipitation 3.5 AugSeptember: 3.92 in precipitation 3.9 SepOctober: 4.59 in precipitation, 0.2 in snowfall 4.6 OctNovember: 4.12 in precipitation, 9.4 in snowfall 4.1❄9 NovDecember: 3.89 in precipitation, 30.6 in snowfall 3.9❄31 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Oswego, NY (8 mi away); precipitation: Oswego, NY (8 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

3 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 13093

What planting zone is ZIP code 13093?

ZIP code 13093 (Lycoming, 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 Lycoming, NY?

The median last spring frost (32 °F) near 13093 is April 22; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Oswego station.

When is the first frost in Lycoming, NY?

The median first fall frost near 13093 is October 29, giving a median frost-free growing season of 187 days.

When should I plant tomatoes in 13093?

Start tomato seeds indoors around Feb 25 – Mar 11 and set transplants outside around Apr 29 – May 13, one to three weeks after the median last frost.

How much rain and snow does 13093 get?

About 43.1 inches of precipitation a year and 140 inches of snowfall (NOAA 1991–2020 normals, Oswego station).

How hot do summers get in Lycoming, NY?

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 13093 have?

The USDA soil survey maps Ira at the center of ZIP 13093: gravelly fine sandy loam, moderately well drained, pH about 5.9 (moderately acidic).

Did spring come early in Lycoming, NY in 2026?

Spring leaf-out near 13093 came on Apr 10 in 2026, 5 days earlier than the 1991–2020 average (Apr 15), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lycoming, NY?

Long-day onions: the longest day near 13093 is 15 h 25 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).