Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 07865 — Port Murray, NJ

ZIP code 07865 (Port Murray, Warren County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 30 and the first fall frost October 18.

Where ZIP 07865 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 30

First frostOct 18

2012 zone6b

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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Port Murray, 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 Port Murray, NJ

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 18only 10% chance of frost after

First fall frostOctober 18median — 10% chance by Oct 3

Growing season168 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 16 and returns around October 29.

From the NOAA station Belvidere Brg, NJ — 10 miles away, elevation 262 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 07865

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 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 30) 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 07865 came on Apr 1 — 5 days earlier than the 1991–2020 average (Apr 6).

average
Apr 62026
Apr 1

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.

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 Port Murray, NJ.

Soil in Port Murray, NJ

The soil mapped at the center of ZIP 07865 is Berks — channery silt loam, well drained.

TextureChannery silt loama good balance for most vegetables

pH5.6moderately acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter3%moderate

Hydrologic groupCwater soaks in slowly

Farmland classFarmland of statewide importanceUSDA classification

Map unit: Berks channery silt loam, 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 07865; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Port Murray, NJ

Summer high84 °Faverage high, July

Winter low18 °Faverage low, January

Hot days14days a year at 90 °F or more

Freezing nights135nights a year at 32 °F or less

Growing degree days2,807base 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

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Belvidere Brg, NJ (10 mi away); precipitation: Washington Twp 3.6 W, NJ (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

078636b

Oxford, NJ · 3 mi

078706b

Schooleys Mountain, NJ · 4 mi

078316b

Changewater, NJ · 5 mi

088266b

Glen Gardner, NJ · 5 mi

078296b

Buttzville, NJ · 6 mi

078406b

Hackettstown, NJ · 6 mi

078806b

Vienna, NJ · 6 mi

078536b

Long Valley, NJ · 6 mi

New Jersey planting zones →

Questions about 07865

What planting zone is ZIP code 07865?

ZIP code 07865 (Port Murray, 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 Port Murray, NJ?

The median last spring frost (32 °F) near 07865 is April 30; after May 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Belvidere Brg station.

When is the first frost in Port Murray, NJ?

The median first fall frost near 07865 is October 18, giving a median frost-free growing season of 168 days.

When should I plant tomatoes in 07865?

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 07865 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 Port Murray, NJ?

The average high peaks at 84 °F in July, with about 14 days a year at 90 °F or more.

What kind of soil does 07865 have?

The USDA soil survey maps Berks at the center of ZIP 07865: channery silt loam, well drained, pH about 5.6 (moderately acidic).

Did spring come early in Port Murray, NJ in 2026?

Spring leaf-out near 07865 came on Apr 1 in 2026, 5 days earlier than the 1991–2020 average (Apr 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Port Murray, NJ?

Long-day onions: the longest day near 07865 is 15 h 06 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).