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

Planting zone for 08315 — Dividing Creek, NJ

ZIP code 08315 (Dividing Creek, Cumberland County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 24 and the first fall frost October 23.

Where ZIP 08315 is

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 24
First frostOct 23
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 Dividing Creek, 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 Dividing Creek, NJ

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 24median — 50% chance of a later frost
Safe for tender plantsMay 10only 10% chance of frost after
First fall frostOctober 23median — 10% chance by Oct 10
Growing season181 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 10 and returns around November 2.

From the NOAA station Millville Municipal Airport, NJ — 7 miles away, elevation 69 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 08315

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 13 – Mar 27
SpinachSow outdoors · Mar 13 – Apr 3
Broccoli, cabbageStart indoors · Feb 13 – Feb 27
Broccoli, cabbageTransplant · Apr 3 – Apr 17
Onion setsPlant outdoors · Mar 27 – Apr 10
PotatoesPlant outdoors · Apr 3 – Apr 17
LettuceSow outdoors · Mar 27 – Apr 10
Carrots, beetsSow outdoors · Apr 3 – Apr 17
TomatoesStart indoors · Feb 27 – Mar 13
TomatoesTransplant · May 1 – May 15
Peppers, eggplantStart indoors · Feb 13 – Feb 27
Peppers, eggplantTransplant · May 8 – May 22
BeansSow outdoors · May 1 – May 15
Sweet cornSow outdoors · May 1 – May 15
Cucumbers, squashSow outdoors · May 1 – May 15
Fall lettuce, spinachSow outdoors · Aug 28 – Sep 11
GarlicPlant cloves · Oct 9 – Nov 13
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 24) and first fall frost (Oct 23) 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 08315 came on Mar 21 — 3 days later 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).

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

Shrubs 119

Wildflowers & perennials 204

Grasses 176

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 Dividing Creek, NJ.

Soil in Dividing Creek, NJ

The center of ZIP 08315 is mapped as Pits, sand and gravel: built-over ground without natural soil data. Garden soil here is usually imported or disturbed — test before you plant.

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 08315; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Dividing Creek, NJ

Summer high86 °Faverage high, July
Winter low24 °Faverage low, January
Hot days22days a year at 90 °F or more
Freezing nights108nights a year at 32 °F or less
Growing degree days3,550base 50 °F — the season’s usable heat
Longest day14 h 56 mindaylight on June 21
Shortest day9 h 24 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation43.4 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 42 °F, low 24 °F 42°24° JanFebruary: average high 45 °F, low 25 °F 45°25° FebMarch: average high 52 °F, low 31 °F 52°31° MarApril: average high 64 °F, low 41 °F 64°41° AprMay: average high 73 °F, low 50 °F 73°50° MayJune: average high 82 °F, low 60 °F 82°60° JunJuly: average high 86 °F, low 66 °F 86°66° JulAugust: average high 84 °F, low 64 °F 84°64° AugSeptember: average high 78 °F, low 57 °F 78°57° SepOctober: average high 67 °F, low 45 °F 67°45° OctNovember: average high 56 °F, low 35 °F 56°35° NovDecember: average high 47 °F, low 28 °F 47°28° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.13 in precipitation 3.1 JanFebruary: 2.63 in precipitation 2.6 FebMarch: 4.09 in precipitation 4.1 MarApril: 3.53 in precipitation 3.5 AprMay: 3.12 in precipitation 3.1 MayJune: 3.91 in precipitation 3.9 JunJuly: 4.26 in precipitation 4.3 JulAugust: 4.61 in precipitation 4.6 AugSeptember: 3.15 in precipitation 3.1 SepOctober: 3.82 in precipitation 3.8 OctNovember: 3.17 in precipitation 3.2 NovDecember: 3.95 in precipitation 4.0 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Millville Municipal Airport, NJ (7 mi away); precipitation: Millville Municipal Airport, NJ (7 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 08315

What planting zone is ZIP code 08315?

ZIP code 08315 (Dividing Creek, 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 Dividing Creek, NJ?

The median last spring frost (32 °F) near 08315 is April 24; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Millville Municipal Airport station.

When is the first frost in Dividing Creek, NJ?

The median first fall frost near 08315 is October 23, giving a median frost-free growing season of 181 days.

When should I plant tomatoes in 08315?

Start tomato seeds indoors around Feb 27 – Mar 13 and set transplants outside around May 1 – May 15, one to three weeks after the median last frost.

How much rain and snow does 08315 get?

About 43.4 inches of precipitation a year (NOAA 1991–2020 normals, Millville Municipal Airport station).

How hot do summers get in Dividing Creek, NJ?

The average high peaks at 86 °F in July, with about 22 days a year at 90 °F or more.

Did spring come early in Dividing Creek, NJ in 2026?

Spring leaf-out near 08315 came on Mar 21 in 2026, 3 days later than the 1991–2020 average (Mar 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Dividing Creek, NJ?

Intermediate onions: the longest day near 08315 is 14 h 56 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 08315 change?

Yes. The 2012 USDA map put 08315 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.