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

Planting zone for 08065 — Palmyra, NJ

ZIP code 08065 (Palmyra, 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 31.

Where ZIP 08065 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 31
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 Palmyra, 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 Palmyra, 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 plantsMay 1only 10% chance of frost after
First fall frostOctober 31median — 10% chance by Oct 16
Growing season199 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 1 and returns around November 10.

From the NOAA station Pennsauken 1n, NJ — 2 miles away, elevation 46 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 08065

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 5 – Sep 19
GarlicPlant cloves · Oct 17 – Nov 21
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 15) and first fall frost (Oct 31) 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 08065 came on Mar 13 — 4 days earlier than 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).

Soil in Palmyra, NJ

The soil mapped at the center of ZIP 08065 is Galestown — sand, somewhat excessively drained.

TextureSanddrains and warms fast; dries out and needs more feeding
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupAwater soaks in fast
Farmland classFarmland of unique importanceUSDA classification

Map unit: Galestown 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 08065; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Palmyra, NJ

Summer high87 °Faverage high, July
Winter low25 °Faverage low, January
Hot days33days a year at 90 °F or more
Freezing nights103nights a year at 32 °F or less
Growing degree days3,711base 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)
Precipitation48.1 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 40 °F, low 25 °F 40°25° JanFebruary: average high 43 °F, low 26 °F 43°26° FebMarch: average high 52 °F, low 33 °F 52°33° MarApril: average high 64 °F, low 43 °F 64°43° AprMay: average high 73 °F, low 52 °F 73°52° MayJune: average high 82 °F, low 62 °F 82°62° JunJuly: average high 87 °F, low 68 °F 87°68° JulAugust: average high 85 °F, low 66 °F 85°66° AugSeptember: average high 78 °F, low 59 °F 78°59° SepOctober: average high 66 °F, low 47 °F 66°47° OctNovember: average high 55 °F, low 37 °F 55°37° NovDecember: average high 45 °F, low 30 °F 45°30° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.46 in precipitation 3.5 JanFebruary: 2.62 in precipitation 2.6 FebMarch: 4.39 in precipitation 4.4 MarApril: 3.94 in precipitation 3.9 AprMay: 3.88 in precipitation 3.9 MayJune: 4.56 in precipitation 4.6 JunJuly: 5.04 in precipitation 5.0 JulAugust: 4.07 in precipitation 4.1 AugSeptember: 4.32 in precipitation 4.3 SepOctober: 4.07 in precipitation 4.1 OctNovember: 3.29 in precipitation 3.3 NovDecember: 4.49 in precipitation 4.5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pennsauken 1n, NJ (2 mi away); precipitation: Pennsauken 1n, NJ (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

New Jersey planting zones →

Questions about 08065

What planting zone is ZIP code 08065?

ZIP code 08065 (Palmyra, 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 Palmyra, NJ?

The median last spring frost (32 °F) near 08065 is April 15; after May 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pennsauken 1n station.

When is the first frost in Palmyra, NJ?

The median first fall frost near 08065 is October 31, giving a median frost-free growing season of 199 days.

When should I plant tomatoes in 08065?

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 08065 get?

About 48.1 inches of precipitation a year (NOAA 1991–2020 normals, Pennsauken 1n station).

How hot do summers get in Palmyra, NJ?

The average high peaks at 87 °F in July, with about 33 days a year at 90 °F or more.

What kind of soil does 08065 have?

The USDA soil survey maps Galestown at the center of ZIP 08065: sand, somewhat excessively drained, pH about 4.6 (strongly acidic).

Did spring come early in Palmyra, NJ in 2026?

Spring leaf-out near 08065 came on Mar 13 in 2026, 4 days earlier than the 1991–2020 average (Mar 17), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Palmyra, NJ?

Long-day onions: the longest day near 08065 is 15 h 01 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 08065 change?

Yes. The 2012 USDA map put 08065 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.