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

Planting zone for 18328 — Dingmans Ferry, PA

ZIP code 18328 (Dingmans Ferry, Pike County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 30 and the first fall frost October 11.

Where ZIP 18328 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.

Zone6b−5 to 0 °F
Coldest night−20.6 to −17.8 °C
Last frostApr 30
First frostOct 11
2012 zone6a

Was 6a 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 6b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Dingmans Ferry, PA…

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 Dingmans Ferry, PA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 18only 10% chance of frost after
First fall frostOctober 11median — 10% chance by Sep 30
Growing season163 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 18 and returns around October 24.

From the NOAA station Sussex 3 Wnw, NJ — 16 miles away, elevation 666 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 18328

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
Fall lettuce, spinachSow outdoors · Aug 16 – Aug 30
GarlicPlant cloves · Sep 27 – Nov 1
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 11) 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 18328 came on Apr 3 — 9 days earlier than the 1991–2020 average (Apr 12).

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 Dingmans Ferry, PA

The soil mapped at the center of ZIP 18328 is Oquaga — very stony moderately decomposed plant material, well drained.

TextureVery stony moderately decomposed plant materialtop layer
pH4.8strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter80%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Oquaga very stony loam, 8 to 15 percent slopes, extremely bouldery.

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 18328; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Dingmans Ferry, PA

Summer high83 °Faverage high, July
Winter low17 °Faverage low, January
Hot days13days a year at 90 °F or more
Freezing nights146nights a year at 32 °F or less
Growing degree days2,682base 50 °F — the season’s usable heat
Longest day15 h 09 mindaylight on June 21
Shortest day9 h 12 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation50.2 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 35 °F, low 17 °F 35°17° JanFebruary: average high 38 °F, low 18 °F 38°18° FebMarch: average high 47 °F, low 25 °F 47°25° MarApril: average high 60 °F, low 36 °F 60°36° AprMay: average high 71 °F, low 46 °F 71°46° MayJune: average high 78 °F, low 55 °F 78°55° JunJuly: average high 83 °F, low 60 °F 83°60° JulAugust: average high 82 °F, low 59 °F 82°59° AugSeptember: average high 74 °F, low 51 °F 74°51° SepOctober: average high 63 °F, low 40 °F 63°40° OctNovember: average high 51 °F, low 31 °F 51°31° NovDecember: average high 40 °F, low 23 °F 40°23° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.30 in precipitation 3.3 JanFebruary: 2.62 in precipitation 2.6 FebMarch: 3.87 in precipitation 3.9 MarApril: 4.11 in precipitation 4.1 AprMay: 4.18 in precipitation 4.2 MayJune: 5.19 in precipitation 5.2 JunJuly: 4.90 in precipitation 4.9 JulAugust: 4.63 in precipitation 4.6 AugSeptember: 4.75 in precipitation 4.8 SepOctober: 4.69 in precipitation 4.7 OctNovember: 3.53 in precipitation 3.5 NovDecember: 4.44 in precipitation 4.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sussex 3 Wnw, NJ (16 mi away); precipitation: Milford 8.7 Nw, PA (14 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

183246b
Bushkill, PA · 5 mi
183716b
Tamiment, PA · 6 mi
078516b
Layton, NJ · 6 mi
078816b
Wallpack Center, NJ · 8 mi
183376b
Milford, PA · 9 mi
078266b
Branchville, NJ · 9 mi
078776b
Swartswood, NJ · 11 mi
183026b
East Stroudsburg, PA · 12 mi

Pennsylvania planting zones →

Questions about 18328

What planting zone is ZIP code 18328?

ZIP code 18328 (Dingmans Ferry, PA) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).

When is the last frost in Dingmans Ferry, PA?

The median last spring frost (32 °F) near 18328 is April 30; after May 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sussex 3 Wnw station.

When is the first frost in Dingmans Ferry, PA?

The median first fall frost near 18328 is October 11, giving a median frost-free growing season of 163 days.

When should I plant tomatoes in 18328?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 18328 get?

About 50.2 inches of precipitation a year (NOAA 1991–2020 normals, Milford 8.7 Nw station).

How hot do summers get in Dingmans Ferry, PA?

The average high peaks at 83 °F in July, with about 13 days a year at 90 °F or more.

What kind of soil does 18328 have?

The USDA soil survey maps Oquaga at the center of ZIP 18328: very stony moderately decomposed plant material, well drained, pH about 4.8 (strongly acidic).

Did spring come early in Dingmans Ferry, PA in 2026?

Spring leaf-out near 18328 came on Apr 3 in 2026, 9 days earlier than the 1991–2020 average (Apr 12), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Dingmans Ferry, PA?

Long-day onions: the longest day near 18328 is 15 h 09 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 18328 change?

Yes. The 2012 USDA map put 18328 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.