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

Planting zone for 08004 — Atco, NJ

ZIP code 08004 (Atco, Camden County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 28 and the first fall frost October 15.

Where ZIP 08004 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 28
First frostOct 15
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 Atco, 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 Atco, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 28median — 50% chance of a later frost
Safe for tender plantsMay 16only 10% chance of frost after
First fall frostOctober 15median — 10% chance by Oct 3
Growing season169 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 15 and returns around October 27.

From the NOAA station Indian Mills 2 W, NJ — 4 miles away, elevation 102 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 08004

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 17 – Mar 31
SpinachSow outdoors · Mar 17 – Apr 7
Broccoli, cabbageStart indoors · Feb 17 – Mar 3
Broccoli, cabbageTransplant · Apr 7 – Apr 21
Onion setsPlant outdoors · Mar 31 – Apr 14
PotatoesPlant outdoors · Apr 7 – Apr 21
LettuceSow outdoors · Mar 31 – Apr 14
Carrots, beetsSow outdoors · Apr 7 – Apr 21
TomatoesStart indoors · Mar 3 – Mar 17
TomatoesTransplant · May 5 – May 19
Peppers, eggplantStart indoors · Feb 17 – Mar 3
Peppers, eggplantTransplant · May 12 – May 26
BeansSow outdoors · May 5 – May 19
Sweet cornSow outdoors · May 5 – May 19
Cucumbers, squashSow outdoors · May 5 – May 19
Fall lettuce, spinachSow outdoors · Aug 20 – Sep 3
GarlicPlant cloves · Oct 1 – Nov 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 28) and first fall frost (Oct 15) 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 08004 came on Mar 13 — 6 days earlier than the 1991–2020 average (Mar 19).

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 7a in New Jersey

600 plants native to the lower 48 states, recorded in New Jersey, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 80

Shrubs 119

Wildflowers & perennials 201

Grasses 175

Vines 10

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 Atco, NJ.

Soil in Atco, NJ

The soil mapped at the center of ZIP 08004 is Atsion — coarse sand, poorly drained.

TextureCoarse sanddrains and warms fast; dries out and needs more feeding
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainagePoorly drainedconsider raised beds
Organic matter3%moderate
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classFarmland of unique importanceUSDA classification

Map unit: Atsion-Berryland sands, 0 to 2 percent slopes, rarely flooded.

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 08004; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Atco, NJ

Summer high87 °Faverage high, July
Winter low24 °Faverage low, January
Hot days28days a year at 90 °F or more
Freezing nights112nights a year at 32 °F or less
Growing degree days3,501base 50 °F — the season’s usable heat
Longest day14 h 59 mindaylight on June 21
Shortest day9 h 21 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation50.4 inper year, rain and melted snow
Snowfall24 inper year; 17 days with snow on the ground

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 42 °F, low 24 °F 42°24° JanFebruary: average high 45 °F, low 24 °F 45°24° FebMarch: average high 53 °F, low 31 °F 53°31° MarApril: average high 65 °F, low 40 °F 65°40° AprMay: average high 74 °F, low 50 °F 74°50° MayJune: average high 82 °F, low 59 °F 82°59° JunJuly: average high 87 °F, low 64 °F 87°64° JulAugust: average high 85 °F, low 62 °F 85°62° AugSeptember: average high 78 °F, low 55 °F 78°55° SepOctober: average high 67 °F, low 44 °F 67°44° OctNovember: average high 56 °F, low 34 °F 56°34° NovDecember: average high 47 °F, low 28 °F 47°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.68 in precipitation, 6 in snowfall 3.7❄6 JanFebruary: 3.01 in precipitation, 8.9 in snowfall 3.0❄9 FebMarch: 4.50 in precipitation, 3.9 in snowfall 4.5❄4 MarApril: 3.66 in precipitation, 0.5 in snowfall 3.7❄1 AprMay: 3.76 in precipitation 3.8 MayJune: 4.35 in precipitation 4.3 JunJuly: 5.22 in precipitation 5.2 JulAugust: 5.34 in precipitation 5.3 AugSeptember: 4.44 in precipitation 4.4 SepOctober: 4.35 in precipitation 4.3 OctNovember: 3.46 in precipitation, 0.3 in snowfall 3.5 NovDecember: 4.58 in precipitation, 3.9 in snowfall 4.6❄4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Indian Mills 2 W, NJ (4 mi away); precipitation: Indian Mills 2 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 08004

What planting zone is ZIP code 08004?

ZIP code 08004 (Atco, 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 Atco, NJ?

The median last spring frost (32 °F) near 08004 is April 28; after May 16 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Indian Mills 2 W station.

When is the first frost in Atco, NJ?

The median first fall frost near 08004 is October 15, giving a median frost-free growing season of 169 days.

When should I plant tomatoes in 08004?

Start tomato seeds indoors around Mar 3 – Mar 17 and set transplants outside around May 5 – May 19, one to three weeks after the median last frost.

How much rain and snow does 08004 get?

About 50.4 inches of precipitation a year and 24 inches of snowfall (NOAA 1991–2020 normals, Indian Mills 2 W station).

How hot do summers get in Atco, NJ?

The average high peaks at 87 °F in July, with about 28 days a year at 90 °F or more.

What kind of soil does 08004 have?

The USDA soil survey maps Atsion at the center of ZIP 08004: coarse sand, poorly drained, pH about 4.3 (strongly acidic).

Did spring come early in Atco, NJ in 2026?

Spring leaf-out near 08004 came on Mar 13 in 2026, 6 days earlier than the 1991–2020 average (Mar 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Atco, NJ?

Intermediate onions: the longest day near 08004 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.