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

Planting zone for 13331 — Eagle Bay, NY

ZIP code 13331 (Eagle Bay, Herkimer County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 15 and the first fall frost October 2.

Where ZIP 13331 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.

Zone4a−30 to −25 °F
Coldest night−34.4 to −31.7 °C
Last frostMay 15
First frostOct 2
2012 zone3b

Was 3b 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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Eagle Bay, 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 Eagle Bay, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 15median — 50% chance of a later frost
Safe for tender plantsMay 31only 10% chance of frost after
First fall frostOctober 2median — 10% chance by Sep 20
Growing season139 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 4 and returns around October 12.

From the NOAA station Stillwater Rsvr, NY — 6 miles away, elevation 1,690 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 13331

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 3 – Apr 17
SpinachSow outdoors · Apr 3 – Apr 24
Broccoli, cabbageStart indoors · Mar 6 – Mar 20
Broccoli, cabbageTransplant · Apr 24 – May 8
Onion setsPlant outdoors · Apr 17 – May 1
PotatoesPlant outdoors · Apr 24 – May 8
LettuceSow outdoors · Apr 17 – May 1
Carrots, beetsSow outdoors · Apr 24 – May 8
TomatoesStart indoors · Mar 20 – Apr 3
TomatoesTransplant · May 22 – Jun 5
Peppers, eggplantStart indoors · Mar 6 – Mar 20
Peppers, eggplantTransplant · May 29 – Jun 12
BeansSow outdoors · May 22 – Jun 5
Sweet cornSow outdoors · May 22 – Jun 5
Cucumbers, squashSow outdoors · May 22 – Jun 5
Fall lettuce, spinachSow outdoors · Aug 7 – Aug 21
GarlicPlant cloves · Sep 18 – Oct 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 15) and first fall frost (Oct 2) 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 13331 came on Apr 17 — 12 days earlier than the 1991–2020 average (Apr 29).

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 4a in New York

452 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −30 °F or colder — the bottom of zone 4a. Each links to its USDA PLANTS profile.

Trees 56

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 79

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 hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 160

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 144

alkali sacaton3 ft · blooms mid summer · high shade tolerance · to −38 °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 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 4

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °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 Eagle Bay, NY.

Soil in Eagle Bay, NY

The soil mapped at the center of ZIP 13331 is Tunbridge — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter75%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Tunbridge-Lyman complex, 15 to 35 percent slopes, very rocky, 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 13331; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Eagle Bay, NY

Summer high75 °Faverage high, July
Winter low4 °Faverage low, January
Hot days0days a year at 90 °F or more
Freezing nights181nights a year at 32 °F or less
Growing degree days1,697base 50 °F — the season’s usable heat
Longest day15 h 28 mindaylight on June 21
Shortest day8 h 54 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation50.2 inper year, rain and melted snow

Average high and low, by month

−10°0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 26 °F, low 4 °F 26°4° JanFebruary: average high 28 °F, low 4 °F 28°4° FebMarch: average high 37 °F, low 13 °F 37°13° MarApril: average high 50 °F, low 28 °F 50°28° AprMay: average high 64 °F, low 42 °F 64°42° MayJune: average high 71 °F, low 51 °F 71°51° JunJuly: average high 75 °F, low 55 °F 75°55° JulAugust: average high 74 °F, low 54 °F 74°54° AugSeptember: average high 67 °F, low 47 °F 67°47° SepOctober: average high 55 °F, low 35 °F 55°35° OctNovember: average high 42 °F, low 25 °F 42°25° NovDecember: average high 32 °F, low 13 °F 32°13° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.71 in precipitation 3.7 JanFebruary: 2.83 in precipitation 2.8 FebMarch: 3.19 in precipitation 3.2 MarApril: 3.79 in precipitation 3.8 AprMay: 4.40 in precipitation 4.4 MayJune: 4.55 in precipitation 4.5 JunJuly: 5.09 in precipitation 5.1 JulAugust: 4.61 in precipitation 4.6 AugSeptember: 4.32 in precipitation 4.3 SepOctober: 5.48 in precipitation 5.5 OctNovember: 4.04 in precipitation 4.0 NovDecember: 4.22 in precipitation 4.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Stillwater Rsvr, NY (6 mi away); precipitation: Stillwater Rsvr, NY (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

134724a
Thendara, NY · 9 mi
134204a
Old Forge, NY · 12 mi
133124b
Brantingham, NY · 12 mi
133434b
Glenfield, NY · 14 mi
133274b
Croghan, NY · 15 mi
133454b
Greig, NY · 17 mi
134334b
Port Leyden, NY · 19 mi
133684b
Lyons Falls, NY · 19 mi

New York planting zones →

Questions about 13331

What planting zone is ZIP code 13331?

ZIP code 13331 (Eagle Bay, NY) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Eagle Bay, NY?

The median last spring frost (32 °F) near 13331 is May 15; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Stillwater Rsvr station.

When is the first frost in Eagle Bay, NY?

The median first fall frost near 13331 is October 2, giving a median frost-free growing season of 139 days.

When should I plant tomatoes in 13331?

Start tomato seeds indoors around Mar 20 – Apr 3 and set transplants outside around May 22 – Jun 5, one to three weeks after the median last frost.

How much rain and snow does 13331 get?

About 50.2 inches of precipitation a year (NOAA 1991–2020 normals, Stillwater Rsvr station).

How hot do summers get in Eagle Bay, NY?

The average high peaks at 75 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 13331 have?

The USDA soil survey maps Tunbridge at the center of ZIP 13331: slightly decomposed plant material, well drained, pH about 4.3 (strongly acidic).

Did spring come early in Eagle Bay, NY in 2026?

Spring leaf-out near 13331 came on Apr 17 in 2026, 12 days earlier than the 1991–2020 average (Apr 29), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Eagle Bay, NY?

Long-day onions: the longest day near 13331 is 15 h 28 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 13331 change?

Yes. The 2012 USDA map put 13331 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.