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

Planting zone for 11941 — Eastport, NY

ZIP code 11941 (Eastport, Suffolk County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is May 7 and the first fall frost October 14.

Where ZIP 11941 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostMay 7
First frostOct 14
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Eastport, 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 Eastport, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 7median — 50% chance of a later frost
Safe for tender plantsMay 23only 10% chance of frost after
First fall frostOctober 14median — 10% chance by Oct 2
Growing season160 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 27 and returns around October 26.

From the NOAA station Westhamptn Gabreski Airport, NY — 5 miles away, elevation 66 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 11941

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 26 – Apr 9
SpinachSow outdoors · Mar 26 – Apr 16
Broccoli, cabbageStart indoors · Feb 26 – Mar 12
Broccoli, cabbageTransplant · Apr 16 – Apr 30
Onion setsPlant outdoors · Apr 9 – Apr 23
PotatoesPlant outdoors · Apr 16 – Apr 30
LettuceSow outdoors · Apr 9 – Apr 23
Carrots, beetsSow outdoors · Apr 16 – Apr 30
TomatoesStart indoors · Mar 12 – Mar 26
TomatoesTransplant · May 14 – May 28
Peppers, eggplantStart indoors · Feb 26 – Mar 12
Peppers, eggplantTransplant · May 21 – Jun 4
BeansSow outdoors · May 14 – May 28
Sweet cornSow outdoors · May 14 – May 28
Cucumbers, squashSow outdoors · May 14 – May 28
Fall lettuce, spinachSow outdoors · Aug 19 – Sep 2
GarlicPlant cloves · Sep 30 – Nov 4
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 7) and first fall frost (Oct 14) 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 11941 came on Apr 3 — about the same time as the 1991–2020 average (Apr 3).

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 7a in New York

656 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 78

Shrubs 131

Wildflowers & perennials 221

Grasses 200

Vines 9

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 Eastport, NY.

Soil in Eastport, NY

The soil mapped at the center of ZIP 11941 is Plymouth — slightly decomposed plant material, excessively drained.

TextureSlightly decomposed plant materialtop layer
DrainageExcessively drainednatural drainage class
Organic matter80%high
Hydrologic groupAwater soaks in fast
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Plymouth loamy coarse sand, 0 to 3 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 11941; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eastport, NY

Summer high81 °Faverage high, July
Winter low20 °Faverage low, January
Hot days6days a year at 90 °F or more
Freezing nights132nights a year at 32 °F or less
Growing degree days2,648base 50 °F — the season’s usable heat
Longest day15 h 06 mindaylight on June 21
Shortest day9 h 14 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation43.5 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 39 °F, low 20 °F 39°20° JanFebruary: average high 40 °F, low 21 °F 40°21° FebMarch: average high 47 °F, low 28 °F 47°28° MarApril: average high 57 °F, low 36 °F 57°36° AprMay: average high 66 °F, low 46 °F 66°46° MayJune: average high 75 °F, low 56 °F 75°56° JunJuly: average high 81 °F, low 63 °F 81°63° JulAugust: average high 80 °F, low 61 °F 80°61° AugSeptember: average high 74 °F, low 54 °F 74°54° SepOctober: average high 63 °F, low 43 °F 63°43° OctNovember: average high 53 °F, low 34 °F 53°34° NovDecember: average high 45 °F, low 26 °F 45°26° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.19 in precipitation 3.2 JanFebruary: 2.72 in precipitation 2.7 FebMarch: 4.28 in precipitation 4.3 MarApril: 3.79 in precipitation 3.8 AprMay: 3.31 in precipitation 3.3 MayJune: 3.50 in precipitation 3.5 JunJuly: 2.88 in precipitation 2.9 JulAugust: 3.74 in precipitation 3.7 AugSeptember: 3.75 in precipitation 3.8 SepOctober: 4.65 in precipitation 4.7 OctNovember: 3.48 in precipitation 3.5 NovDecember: 4.17 in precipitation 4.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Westhamptn Gabreski Airport, NY (5 mi away); precipitation: Westhamptn Gabreski Airport, NY (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

New York planting zones →

Questions about 11941

What planting zone is ZIP code 11941?

ZIP code 11941 (Eastport, NY) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Eastport, NY?

The median last spring frost (32 °F) near 11941 is May 7; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Westhamptn Gabreski Airport station.

When is the first frost in Eastport, NY?

The median first fall frost near 11941 is October 14, giving a median frost-free growing season of 160 days.

When should I plant tomatoes in 11941?

Start tomato seeds indoors around Mar 12 – Mar 26 and set transplants outside around May 14 – May 28, one to three weeks after the median last frost.

How much rain and snow does 11941 get?

About 43.5 inches of precipitation a year (NOAA 1991–2020 normals, Westhamptn Gabreski Airport station).

How hot do summers get in Eastport, NY?

The average high peaks at 81 °F in July, with about 6 days a year at 90 °F or more.

What kind of soil does 11941 have?

The USDA soil survey maps Plymouth at the center of ZIP 11941: slightly decomposed plant material, excessively drained.

Did spring come early in Eastport, NY in 2026?

Spring leaf-out near 11941 came on Apr 3 in 2026, about the same as the 1991–2020 average (Apr 3), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eastport, NY?

Long-day onions: the longest day near 11941 is 15 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).