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

Planting zone for 07853 — Long Valley, NJ

ZIP code 07853 (Long Valley, Morris County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 26 and the first fall frost October 18.

Where ZIP 07853 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 26
First frostOct 18
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Long Valley, NJ…

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 Long Valley, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 26median — 50% chance of a later frost
Safe for tender plantsMay 13only 10% chance of frost after
First fall frostOctober 18median — 10% chance by Oct 5
Growing season176 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 11 and returns around October 30.

From the NOAA station Somerville Somerset Airport, NJ — 13 miles away, elevation 105 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 07853

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 15 – Mar 29
SpinachSow outdoors · Mar 15 – Apr 5
Broccoli, cabbageStart indoors · Feb 15 – Mar 1
Broccoli, cabbageTransplant · Apr 5 – Apr 19
Onion setsPlant outdoors · Mar 29 – Apr 12
PotatoesPlant outdoors · Apr 5 – Apr 19
LettuceSow outdoors · Mar 29 – Apr 12
Carrots, beetsSow outdoors · Apr 5 – Apr 19
TomatoesStart indoors · Mar 1 – Mar 15
TomatoesTransplant · May 3 – May 17
Peppers, eggplantStart indoors · Feb 15 – Mar 1
Peppers, eggplantTransplant · May 10 – May 24
BeansSow outdoors · May 3 – May 17
Sweet cornSow outdoors · May 3 – May 17
Cucumbers, squashSow outdoors · May 3 – May 17
Fall lettuce, spinachSow outdoors · Aug 23 – Sep 6
GarlicPlant cloves · Oct 4 – Nov 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 26) and first fall frost (Oct 18) 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 07853 came on Apr 1 — 9 days earlier than the 1991–2020 average (Apr 10).

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 6b in New Jersey

581 plants native to the lower 48 states, recorded in New Jersey, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.

Trees 78

Shrubs 116

Wildflowers & perennials 197

Grasses 166

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 Long Valley, NJ.

Soil in Long Valley, NJ

The soil mapped at the center of ZIP 07853 is Turbotville — loam, somewhat poorly drained.

TextureLoama good balance for most vegetables
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Turbotville 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 07853; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Long Valley, NJ

Summer high86 °Faverage high, July
Winter low21 °Faverage low, January
Hot days23days a year at 90 °F or more
Freezing nights124nights a year at 32 °F or less
Growing degree days3,215base 50 °F — the season’s usable heat
Longest day15 h 06 mindaylight on June 21
Shortest day9 h 15 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation51.7 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 39 °F, low 21 °F 39°21° JanFebruary: average high 43 °F, low 22 °F 43°22° FebMarch: average high 51 °F, low 30 °F 51°30° MarApril: average high 63 °F, low 39 °F 63°39° AprMay: average high 73 °F, low 48 °F 73°48° MayJune: average high 81 °F, low 58 °F 81°58° JunJuly: average high 86 °F, low 63 °F 86°63° JulAugust: average high 84 °F, low 61 °F 84°61° AugSeptember: average high 78 °F, low 54 °F 78°54° SepOctober: average high 66 °F, low 42 °F 66°42° OctNovember: average high 55 °F, low 33 °F 55°33° NovDecember: average high 44 °F, low 26 °F 44°26° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.72 in precipitation 3.7 JanFebruary: 3.02 in precipitation 3.0 FebMarch: 4.23 in precipitation 4.2 MarApril: 3.97 in precipitation 4.0 AprMay: 4.29 in precipitation 4.3 MayJune: 4.92 in precipitation 4.9 JunJuly: 5.05 in precipitation 5.0 JulAugust: 4.99 in precipitation 5.0 AugSeptember: 4.95 in precipitation 5.0 SepOctober: 4.34 in precipitation 4.3 OctNovember: 3.78 in precipitation 3.8 NovDecember: 4.46 in precipitation 4.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Somerville Somerset Airport, NJ (13 mi away); precipitation: Washington Twp 3.6 W, NJ (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

New Jersey planting zones →

Questions about 07853

What planting zone is ZIP code 07853?

ZIP code 07853 (Long Valley, NJ) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Long Valley, NJ?

The median last spring frost (32 °F) near 07853 is April 26; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Somerville Somerset Airport station.

When is the first frost in Long Valley, NJ?

The median first fall frost near 07853 is October 18, giving a median frost-free growing season of 176 days.

When should I plant tomatoes in 07853?

Start tomato seeds indoors around Mar 1 – Mar 15 and set transplants outside around May 3 – May 17, one to three weeks after the median last frost.

How much rain and snow does 07853 get?

About 51.7 inches of precipitation a year (NOAA 1991–2020 normals, Washington Twp 3.6 W station).

How hot do summers get in Long Valley, NJ?

The average high peaks at 86 °F in July, with about 23 days a year at 90 °F or more.

What kind of soil does 07853 have?

The USDA soil survey maps Turbotville at the center of ZIP 07853: loam, somewhat poorly drained, pH about 6.1 (slightly acidic).

Did spring come early in Long Valley, NJ in 2026?

Spring leaf-out near 07853 came on Apr 1 in 2026, 9 days earlier than the 1991–2020 average (Apr 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Long Valley, NJ?

Long-day onions: the longest day near 07853 is 15 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 07853 change?

Yes. The 2012 USDA map put 07853 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.