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

Planting zone for 08073 — Rancocas, NJ

ZIP code 08073 (Rancocas, Burlington County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 15 and the first fall frost October 29.

Where ZIP 08073 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 15

First frostOct 29

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 Rancocas, 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 Rancocas, NJ

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 15median — 50% chance of a later frost

Safe for tender plantsApril 29only 10% chance of frost after

First fall frostOctober 29median — 10% chance by Oct 14

Growing season196 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 1 and returns around November 7.

From the NOAA station Philadelphia/Mt Holly WFO, NJ — 2 miles away, elevation 62 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 08073

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 4 – Mar 18

SpinachSow outdoors · Mar 4 – Mar 25

Broccoli, cabbageStart indoors · Feb 4 – Feb 18

Broccoli, cabbageTransplant · Mar 25 – Apr 8

Onion setsPlant outdoors · Mar 18 – Apr 1

PotatoesPlant outdoors · Mar 25 – Apr 8

LettuceSow outdoors · Mar 18 – Apr 1

Carrots, beetsSow outdoors · Mar 25 – Apr 8

TomatoesStart indoors · Feb 18 – Mar 4

TomatoesTransplant · Apr 22 – May 6

Peppers, eggplantStart indoors · Feb 4 – Feb 18

Peppers, eggplantTransplant · Apr 29 – May 13

BeansSow outdoors · Apr 22 – May 6

Sweet cornSow outdoors · Apr 22 – May 6

Cucumbers, squashSow outdoors · Apr 22 – May 6

Fall lettuce, spinachSow outdoors · Sep 3 – Sep 17

GarlicPlant cloves · Oct 15 – Nov 19

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 15) and first fall frost (Oct 29) 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 08073 came on Mar 15 — 4 days earlier than the 1991–2020 average (Mar 19).

average
Mar 192026
Mar 15

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.

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 Rancocas, NJ.

Soil in Rancocas, NJ

The soil mapped at the center of ZIP 08073 is Sassafras — fine sandy loam, well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding

pH4.6strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter1.5%low — add compost

Hydrologic groupBwater soaks in moderately

Farmland classprime farmlandUSDA classification

Map unit: Sassafras fine sandy loam, 0 to 2 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 08073; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Rancocas, NJ

Summer high85 °Faverage high, July

Winter low23 °Faverage low, January

Hot days22days a year at 90 °F or more

Freezing nights111nights a year at 32 °F or less

Growing degree days3,390base 50 °F — the season’s usable heat

Longest day15 h 01 mindaylight on June 21

Shortest day9 h 19 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation45.9 inper year, rain and melted snow

Snowfall25 inper year; 22 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Philadelphia/Mt Holly WFO, NJ (2 mi away); precipitation: Philadelphia/Mt Holly WFO, NJ (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

080467b

Willingboro, NJ · 2 mi

080367b

Hainesport, NJ · 3 mi

080607b

Mount Holly, NJ · 4 mi

080107b

Beverly, NJ · 4 mi

080167b

Burlington, NJ · 4 mi

080577b

Moorestown, NJ · 4 mi

080547b

Mount Laurel, NJ · 5 mi

080757b

Riverside, NJ · 5 mi

New Jersey planting zones →

Questions about 08073

What planting zone is ZIP code 08073?

ZIP code 08073 (Rancocas, 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 Rancocas, NJ?

The median last spring frost (32 °F) near 08073 is April 15; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Philadelphia/Mt Holly WFO station.

When is the first frost in Rancocas, NJ?

The median first fall frost near 08073 is October 29, giving a median frost-free growing season of 196 days.

When should I plant tomatoes in 08073?

Start tomato seeds indoors around Feb 18 – Mar 4 and set transplants outside around Apr 22 – May 6, one to three weeks after the median last frost.

How much rain and snow does 08073 get?

About 45.9 inches of precipitation a year and 25 inches of snowfall (NOAA 1991–2020 normals, Philadelphia/Mt Holly WFO station).

How hot do summers get in Rancocas, NJ?

The average high peaks at 85 °F in July, with about 22 days a year at 90 °F or more.

What kind of soil does 08073 have?

The USDA soil survey maps Sassafras at the center of ZIP 08073: fine sandy loam, well drained, pH about 4.6 (strongly acidic).

Did spring come early in Rancocas, NJ in 2026?

Spring leaf-out near 08073 came on Mar 15 in 2026, 4 days earlier than the 1991–2020 average (Mar 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Rancocas, NJ?

Long-day onions: the longest day near 08073 is 15 h 01 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 08073 change?

Yes. The 2012 USDA map put 08073 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.