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

Planting zone for 12815 — Brant Lake, NY

ZIP code 12815 (Brant Lake, Warren County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is April 30 and the first fall frost October 12.

Where ZIP 12815 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.

Zone4b−25 to −20 °F
Coldest night−31.7 to −28.9 °C
Last frostApr 30
First frostOct 12
2012 zone4b

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 4b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Brant Lake, 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 Brant Lake, NY

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 14only 10% chance of frost after
First fall frostOctober 12median — 10% chance by Sep 28
Growing season164 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 19 and returns around October 24.

From the NOAA station Whitehall, NY — 17 miles away, elevation 118 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 12815

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
Fall lettuce, spinachSow outdoors · Aug 17 – Aug 31
GarlicPlant cloves · Sep 28 – Nov 2
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 12) 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 12815 came on Apr 16 — 5 days earlier than the 1991–2020 average (Apr 21).

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 4b in New York

526 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.

Trees 60

Shrubs 99

Wildflowers & perennials 183

Grasses 166

Vines 5

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 Brant Lake, NY.

Soil in Brant Lake, NY

The soil mapped at the center of ZIP 12815 is Bice — moderately decomposed plant material, well drained.

TextureModerately decomposed plant materialtop layer
DrainageWell drainednatural drainage class
Organic matter60%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Bice very bouldery fine sandy loam, sloping.

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 12815; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Brant Lake, NY

Summer high84 °Faverage high, July
Winter low12 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights143nights a year at 32 °F or less
Growing degree days2,765base 50 °F — the season’s usable heat
Longest day15 h 27 mindaylight on June 21
Shortest day8 h 55 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
Snowfall78 inper year; 116 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 30 °F, low 12 °F 30°12° JanFebruary: average high 34 °F, low 13 °F 34°13° FebMarch: average high 43 °F, low 22 °F 43°22° MarApril: average high 58 °F, low 35 °F 58°35° AprMay: average high 71 °F, low 47 °F 71°47° MayJune: average high 79 °F, low 57 °F 79°57° JunJuly: average high 84 °F, low 61 °F 84°61° JulAugust: average high 82 °F, low 60 °F 82°60° AugSeptember: average high 74 °F, low 52 °F 74°52° SepOctober: average high 61 °F, low 41 °F 61°41° OctNovember: average high 47 °F, low 31 °F 47°31° NovDecember: average high 36 °F, low 21 °F 36°21° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 3.10 in precipitation, 18.7 in snowfall 3.1❄19 JanFebruary: 2.49 in precipitation, 17 in snowfall 2.5❄17 FebMarch: 3.33 in precipitation, 15.4 in snowfall 3.3❄15 MarApril: 3.79 in precipitation, 4.2 in snowfall 3.8❄4 AprMay: 3.71 in precipitation 3.7 MayJune: 4.39 in precipitation 4.4 JunJuly: 3.88 in precipitation 3.9 JulAugust: 3.71 in precipitation 3.7 AugSeptember: 3.37 in precipitation 3.4 SepOctober: 4.26 in precipitation, 0.6 in snowfall 4.3❄1 OctNovember: 3.40 in precipitation, 5.9 in snowfall 3.4❄6 NovDecember: 3.69 in precipitation, 15.7 in snowfall 3.7❄16 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Whitehall, NY (17 mi away); precipitation: N Creek 5 Se, NY (11 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

5 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 12815

What planting zone is ZIP code 12815?

ZIP code 12815 (Brant Lake, NY) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).

When is the last frost in Brant Lake, NY?

The median last spring frost (32 °F) near 12815 is April 30; after May 14 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Whitehall station.

When is the first frost in Brant Lake, NY?

The median first fall frost near 12815 is October 12, giving a median frost-free growing season of 164 days.

When should I plant tomatoes in 12815?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 12815 get?

About 43.1 inches of precipitation a year and 78 inches of snowfall (NOAA 1991–2020 normals, N Creek 5 Se station).

How hot do summers get in Brant Lake, NY?

The average high peaks at 84 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 12815 have?

The USDA soil survey maps Bice at the center of ZIP 12815: moderately decomposed plant material, well drained.

Did spring come early in Brant Lake, NY in 2026?

Spring leaf-out near 12815 came on Apr 16 in 2026, 5 days earlier than the 1991–2020 average (Apr 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Brant Lake, NY?

Long-day onions: the longest day near 12815 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).