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

Planting zone for 12989 — Vermontville, NY

ZIP code 12989 (Vermontville, Franklin County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is June 2 and the first fall frost September 9.

Where ZIP 12989 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 frostJun 2
First frostSep 9
2012 zone4a

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 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Vermontville, 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 Vermontville, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostJune 2median — 50% chance of a later frost
Safe for tender plantsJune 19only 10% chance of frost after
First fall frostSeptember 9median — 10% chance by Aug 26
Growing season97 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 21 and returns around September 23.

From the NOAA station Saranac Regional Airport, NY — 13 miles away, elevation 1,663 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 12989

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 21 – May 5
SpinachSow outdoors · Apr 21 – May 12
Broccoli, cabbageStart indoors · Mar 24 – Apr 7
Broccoli, cabbageTransplant · May 12 – May 26
Onion setsPlant outdoors · May 5 – May 19
PotatoesPlant outdoors · May 12 – May 26
LettuceSow outdoors · May 5 – May 19
Carrots, beetsSow outdoors · May 12 – May 26
TomatoesStart indoors · Apr 7 – Apr 21
TomatoesTransplant · Jun 9 – Jun 23
Peppers, eggplantStart indoors · Mar 24 – Apr 7
Peppers, eggplantTransplant · Jun 16 – Jun 30
BeansSow outdoors · Jun 9 – Jun 23
Sweet cornSow outdoors · Jun 9 – Jun 23
Cucumbers, squashSow outdoors · Jun 9 – Jun 23
Fall lettuce, spinachSow outdoors · Jul 15 – Jul 29
GarlicPlant cloves · Aug 26 – Sep 30
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Jun 2) and first fall frost (Sep 9) 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 12989 came on Apr 18 — 8 days earlier than the 1991–2020 average (Apr 26).

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

Shrubs 79

Wildflowers & perennials 160

Grasses 144

Vines 4

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 Vermontville, NY.

Soil in Vermontville, NY

The soil mapped at the center of ZIP 12989 is Colton — highly decomposed plant material, excessively drained.

TextureHighly decomposed plant materialtop layer
pH4.2strongly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter60%high
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Colton-Adams complex, 35 to 70 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 12989; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Vermontville, NY

Summer high77 °Faverage high, July
Winter low2 °Faverage low, January
Hot days1days a year at 90 °F or more
Freezing nights201nights a year at 32 °F or less
Growing degree days1,418base 50 °F — the season’s usable heat
Longest day15 h 33 mindaylight on June 21
Shortest day8 h 49 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.6 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 25 °F, low 2 °F 25°2° JanFebruary: average high 28 °F, low 3 °F 28°3° FebMarch: average high 37 °F, low 12 °F 37°12° MarApril: average high 50 °F, low 26 °F 50°26° AprMay: average high 64 °F, low 37 °F 64°37° MayJune: average high 72 °F, low 46 °F 72°46° JunJuly: average high 77 °F, low 51 °F 77°51° JulAugust: average high 75 °F, low 49 °F 75°49° AugSeptember: average high 68 °F, low 41 °F 68°41° SepOctober: average high 54 °F, low 32 °F 54°32° OctNovember: average high 42 °F, low 22 °F 42°22° NovDecember: average high 30 °F, low 11 °F 30°11° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 1.94 in precipitation 1.9 JanFebruary: 1.50 in precipitation 1.5 FebMarch: 2.04 in precipitation 2.0 MarApril: 3.09 in precipitation 3.1 AprMay: 3.70 in precipitation 3.7 MayJune: 4.36 in precipitation 4.4 JunJuly: 4.06 in precipitation 4.1 JulAugust: 3.56 in precipitation 3.6 AugSeptember: 3.47 in precipitation 3.5 SepOctober: 3.85 in precipitation 3.9 OctNovember: 2.84 in precipitation 2.8 NovDecember: 2.20 in precipitation 2.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Saranac Regional Airport, NY (13 mi away); precipitation: Saranac Regional Airport, NY (13 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 12989

What planting zone is ZIP code 12989?

ZIP code 12989 (Vermontville, 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 Vermontville, NY?

The median last spring frost (32 °F) near 12989 is June 2; after June 19 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Saranac Regional Airport station.

When is the first frost in Vermontville, NY?

The median first fall frost near 12989 is September 9, giving a median frost-free growing season of 97 days.

When should I plant tomatoes in 12989?

Start tomato seeds indoors around Apr 7 – Apr 21 and set transplants outside around Jun 9 – Jun 23, one to three weeks after the median last frost.

How much rain and snow does 12989 get?

About 36.6 inches of precipitation a year (NOAA 1991–2020 normals, Saranac Regional Airport station).

How hot do summers get in Vermontville, NY?

The average high peaks at 77 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 12989 have?

The USDA soil survey maps Colton at the center of ZIP 12989: highly decomposed plant material, excessively drained, pH about 4.2 (strongly acidic).

Did spring come early in Vermontville, NY in 2026?

Spring leaf-out near 12989 came on Apr 18 in 2026, 8 days earlier than the 1991–2020 average (Apr 26), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Vermontville, NY?

Long-day onions: the longest day near 12989 is 15 h 33 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).