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

Planting zone for 08302 — Bridgeton, NJ

ZIP code 08302 (Bridgeton, Cumberland County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 10 and the first fall frost November 1.

Where ZIP 08302 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 10
First frostNov 1
2012 zone7a

Was 7a 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 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Bridgeton, 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 Bridgeton, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 10median — 50% chance of a later frost
Safe for tender plantsApril 25only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 16
Growing season205 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 13.

From the NOAA station Seabrook Farms, NJ — 4 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 08302

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 27 – Mar 13
SpinachSow outdoors · Feb 27 – Mar 20
Broccoli, cabbageStart indoors · Jan 30 – Feb 13
Broccoli, cabbageTransplant · Mar 20 – Apr 3
Onion setsPlant outdoors · Mar 13 – Mar 27
PotatoesPlant outdoors · Mar 20 – Apr 3
LettuceSow outdoors · Mar 13 – Mar 27
Carrots, beetsSow outdoors · Mar 20 – Apr 3
TomatoesStart indoors · Feb 13 – Feb 27
TomatoesTransplant · Apr 17 – May 1
Peppers, eggplantStart indoors · Jan 30 – Feb 13
Peppers, eggplantTransplant · Apr 24 – May 8
BeansSow outdoors · Apr 17 – May 1
Sweet cornSow outdoors · Apr 17 – May 1
Cucumbers, squashSow outdoors · Apr 17 – May 1
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 10) and first fall frost (Nov 1) 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 08302 came on Mar 15 — about the same time as the 1991–2020 average (Mar 17).

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 7b in New Jersey

605 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 7b. Each links to its USDA PLANTS profile.

Trees 81

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 119

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 holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 204

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 lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °F

Grasses 176

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °F

Vines 10

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium 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 Bridgeton, NJ.

Soil in Bridgeton, NJ

The soil mapped at the center of ZIP 08302 is Downer — sandy loam, well drained.

TextureSandy loamdrains and warms fast; dries out and needs more feeding
pH6.3slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.41%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classprime farmlandUSDA classification

Map unit: Downer sandy loam, 2 to 5 percent slopes, Northern Coastal Plain.

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 08302; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Bridgeton, NJ

Summer high86 °Faverage high, July
Winter low25 °Faverage low, January
Hot days25days a year at 90 °F or more
Freezing nights87nights a year at 32 °F or less
Growing degree days3,698base 50 °F — the season’s usable heat
Longest day14 h 57 mindaylight on June 21
Shortest day9 h 23 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation46.8 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 41 °F, low 25 °F 41°25° JanFebruary: average high 44 °F, low 27 °F 44°27° FebMarch: average high 51 °F, low 33 °F 51°33° MarApril: average high 63 °F, low 42 °F 63°42° AprMay: average high 73 °F, low 52 °F 73°52° MayJune: average high 82 °F, low 62 °F 82°62° JunJuly: average high 86 °F, low 67 °F 86°67° JulAugust: average high 84 °F, low 65 °F 84°65° AugSeptember: average high 78 °F, low 59 °F 78°59° SepOctober: average high 67 °F, low 47 °F 67°47° OctNovember: average high 56 °F, low 38 °F 56°38° NovDecember: average high 46 °F, low 30 °F 46°30° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.34 in precipitation 3.3 JanFebruary: 2.89 in precipitation 2.9 FebMarch: 4.36 in precipitation 4.4 MarApril: 3.52 in precipitation 3.5 AprMay: 3.51 in precipitation 3.5 MayJune: 4.16 in precipitation 4.2 JunJuly: 4.46 in precipitation 4.5 JulAugust: 4.90 in precipitation 4.9 AugSeptember: 4.42 in precipitation 4.4 SepOctober: 3.76 in precipitation 3.8 OctNovember: 3.15 in precipitation 3.1 NovDecember: 4.32 in precipitation 4.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Seabrook Farms, NJ (4 mi away); precipitation: Upper Deerfield Twp 1.7 Sw, NJ (3 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.

083537b
Shiloh, NJ · 2 mi
083237b
Greenwich, NJ · 6 mi
083207a
Fairton, NJ · 6 mi
083137b
Deerfield Street, NJ · 7 mi
083527b
Rosenhayn, NJ · 8 mi
083117b
Cedarville, NJ · 8 mi
080017b
Alloway, NJ · 9 mi
083187b
Elmer, NJ · 9 mi

New Jersey planting zones →

Questions about 08302

What planting zone is ZIP code 08302?

ZIP code 08302 (Bridgeton, NJ) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Bridgeton, NJ?

The median last spring frost (32 °F) near 08302 is April 10; after April 25 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Seabrook Farms station.

When is the first frost in Bridgeton, NJ?

The median first fall frost near 08302 is November 1, giving a median frost-free growing season of 205 days.

When should I plant tomatoes in 08302?

Start tomato seeds indoors around Feb 13 – Feb 27 and set transplants outside around Apr 17 – May 1, one to three weeks after the median last frost.

How much rain and snow does 08302 get?

About 46.8 inches of precipitation a year (NOAA 1991–2020 normals, Upper Deerfield Twp 1.7 Sw station).

How hot do summers get in Bridgeton, NJ?

The average high peaks at 86 °F in July, with about 25 days a year at 90 °F or more.

What kind of soil does 08302 have?

The USDA soil survey maps Downer at the center of ZIP 08302: sandy loam, well drained, pH about 6.3 (slightly acidic).

Did spring come early in Bridgeton, NJ in 2026?

Spring leaf-out near 08302 came on Mar 15 in 2026, about the same as the 1991–2020 average (Mar 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Bridgeton, NJ?

Intermediate onions: the longest day near 08302 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 08302 change?

Yes. The 2012 USDA map put 08302 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.