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

Planting zone for 08344 — Newfield, NJ

ZIP code 08344 (Newfield, Gloucester County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 11 and the first fall frost November 3.

Where ZIP 08344 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 11
First frostNov 3
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Newfield, 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 Newfield, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 11median — 50% chance of a later frost
Safe for tender plantsApril 27only 10% chance of frost after
First fall frostNovember 3median — 10% chance by Oct 18
Growing season206 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 30 and returns around November 14.

From the NOAA station Woodstown Pittsgrov 4e, NJ — 9 miles away, elevation 98 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 08344

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 28 – Mar 14
SpinachSow outdoors · Feb 28 – Mar 21
Broccoli, cabbageStart indoors · Jan 31 – Feb 14
Broccoli, cabbageTransplant · Mar 21 – Apr 4
Onion setsPlant outdoors · Mar 14 – Mar 28
PotatoesPlant outdoors · Mar 21 – Apr 4
LettuceSow outdoors · Mar 14 – Mar 28
Carrots, beetsSow outdoors · Mar 21 – Apr 4
TomatoesStart indoors · Feb 14 – Feb 28
TomatoesTransplant · Apr 18 – May 2
Peppers, eggplantStart indoors · Jan 31 – Feb 14
Peppers, eggplantTransplant · Apr 25 – May 9
BeansSow outdoors · Apr 18 – May 2
Sweet cornSow outdoors · Apr 18 – May 2
Cucumbers, squashSow outdoors · Apr 18 – May 2
Fall lettuce, spinachSow outdoors · Sep 8 – Sep 22
GarlicPlant cloves · Oct 20 – Nov 24
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 11) and first fall frost (Nov 3) 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 08344 came on Mar 13 — 5 days earlier than the 1991–2020 average (Mar 18).

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).

Soil in Newfield, NJ

The soil mapped at the center of ZIP 08344 is Lakewood — sand, excessively drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageExcessively drainednatural drainage class
Organic matter1.5%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classNot prime farmlandUSDA classification

Map unit: Lakewood sand, 0 to 5 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 08344; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Newfield, NJ

Summer high89 °Faverage high, July
Winter low25 °Faverage low, January
Hot days35days a year at 90 °F or more
Freezing nights104nights a year at 32 °F or less
Growing degree days3,859base 50 °F — the season’s usable heat
Longest day14 h 58 mindaylight on June 21
Shortest day9 h 22 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation51.5 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 43 °F, low 25 °F 43°25° JanFebruary: average high 47 °F, low 26 °F 47°26° FebMarch: average high 55 °F, low 33 °F 55°33° MarApril: average high 67 °F, low 42 °F 67°42° AprMay: average high 76 °F, low 51 °F 76°51° MayJune: average high 84 °F, low 61 °F 84°61° JunJuly: average high 89 °F, low 66 °F 89°66° JulAugust: average high 86 °F, low 64 °F 86°64° AugSeptember: average high 80 °F, low 58 °F 80°58° SepOctober: average high 69 °F, low 47 °F 69°47° OctNovember: average high 57 °F, low 37 °F 57°37° NovDecember: average high 48 °F, low 30 °F 48°30° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.70 in precipitation 3.7 JanFebruary: 3.29 in precipitation 3.3 FebMarch: 4.42 in precipitation 4.4 MarApril: 3.45 in precipitation 3.5 AprMay: 3.24 in precipitation 3.2 MayJune: 4.97 in precipitation 5.0 JunJuly: 6.00 in precipitation 6.0 JulAugust: 5.94 in precipitation 5.9 AugSeptember: 4.75 in precipitation 4.8 SepOctober: 3.88 in precipitation 3.9 OctNovember: 3.26 in precipitation 3.3 NovDecember: 4.58 in precipitation 4.6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Woodstown Pittsgrov 4e, NJ (9 mi away); precipitation: Franklin Twp 2.7 W, NJ (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

2 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 08344

What planting zone is ZIP code 08344?

ZIP code 08344 (Newfield, NJ) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Newfield, NJ?

The median last spring frost (32 °F) near 08344 is April 11; after April 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Woodstown Pittsgrov 4e station.

When is the first frost in Newfield, NJ?

The median first fall frost near 08344 is November 3, giving a median frost-free growing season of 206 days.

When should I plant tomatoes in 08344?

Start tomato seeds indoors around Feb 14 – Feb 28 and set transplants outside around Apr 18 – May 2, one to three weeks after the median last frost.

How much rain and snow does 08344 get?

About 51.5 inches of precipitation a year (NOAA 1991–2020 normals, Franklin Twp 2.7 W station).

How hot do summers get in Newfield, NJ?

The average high peaks at 89 °F in July, with about 35 days a year at 90 °F or more.

What kind of soil does 08344 have?

The USDA soil survey maps Lakewood at the center of ZIP 08344: sand, excessively drained, pH about 4.3 (strongly acidic).

Did spring come early in Newfield, NJ in 2026?

Spring leaf-out near 08344 came on Mar 13 in 2026, 5 days earlier than the 1991–2020 average (Mar 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Newfield, NJ?

Intermediate onions: the longest day near 08344 is 14 h 58 min, so day-neutral types bulb best; long-day varieties may not bulb fully.