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

Planting zone for 16407 — Corry, PA

ZIP code 16407 (Corry, Erie County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 7 and the first fall frost October 10.

Where ZIP 16407 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostMay 7
First frostOct 10
2012 zone5b

Was 5b 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 6a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Corry, 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 Corry, PA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 7median — 50% chance of a later frost
Safe for tender plantsMay 24only 10% chance of frost after
First fall frostOctober 10median — 10% chance by Sep 29
Growing season155 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 24 and returns around October 23.

From the NOAA station Union City Filtration Plant, PA — 9 miles away, elevation 1,401 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 16407

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 26 – Apr 9
SpinachSow outdoors · Mar 26 – Apr 16
Broccoli, cabbageStart indoors · Feb 26 – Mar 12
Broccoli, cabbageTransplant · Apr 16 – Apr 30
Onion setsPlant outdoors · Apr 9 – Apr 23
PotatoesPlant outdoors · Apr 16 – Apr 30
LettuceSow outdoors · Apr 9 – Apr 23
Carrots, beetsSow outdoors · Apr 16 – Apr 30
TomatoesStart indoors · Mar 12 – Mar 26
TomatoesTransplant · May 14 – May 28
Peppers, eggplantStart indoors · Feb 26 – Mar 12
Peppers, eggplantTransplant · May 21 – Jun 4
BeansSow outdoors · May 14 – May 28
Sweet cornSow outdoors · May 14 – May 28
Cucumbers, squashSow outdoors · May 14 – May 28
Fall lettuce, spinachSow outdoors · Aug 15 – Aug 29
GarlicPlant cloves · Sep 26 – Oct 31
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 7) and first fall frost (Oct 10) 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 16407 came on Mar 27 — 14 days earlier than the 1991–2020 average (Apr 10).

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 6a in Pennsylvania

598 plants native to the lower 48 states, recorded in Pennsylvania, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.

Trees 76

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 121

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 207

alkali buttercup1 ft · blooms late spring · low shade tolerance · to −38 °FAmerican bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican licorice4 ft · blooms late spring · medium shade tolerance · to −38 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °F

Grasses 170

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbeaked spikerush3 ft · blooms late spring · high shade tolerance · to −28 °FBebb's sedge3 ft · blooms late spring · low shade tolerance · to −38 °F

Vines 9

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °Ftrumpet creeper2 ft · blooms summer · high shade tolerance · to −13 °F

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 Corry, PA.

Soil in Corry, PA

The soil mapped at the center of ZIP 16407 is Carlisle — muck, very poorly drained.

TextureMucktop layer
DrainageVery poorly drainedconsider raised beds
Organic matter84.5%high
Hydrologic groupA/Ddrains fast once dried out; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Carlisle muck.

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 16407; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Corry, PA

Summer high80 °Faverage high, July
Winter low15 °Faverage low, February
Hot days1days a year at 90 °F or more
Freezing nights150nights a year at 32 °F or less
Growing degree days2,350base 50 °F — the season’s usable heat
Longest day15 h 14 mindaylight on June 21
Shortest day9 h 07 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation49 inper year, rain and melted snow
Snowfall114 inper year; 90 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 32 °F, low 16 °F 32°16° JanFebruary: average high 35 °F, low 15 °F 35°15° FebMarch: average high 43 °F, low 23 °F 43°23° MarApril: average high 56 °F, low 34 °F 56°34° AprMay: average high 68 °F, low 45 °F 68°45° MayJune: average high 76 °F, low 54 °F 76°54° JunJuly: average high 80 °F, low 58 °F 80°58° JulAugust: average high 79 °F, low 57 °F 79°57° AugSeptember: average high 73 °F, low 49 °F 73°49° SepOctober: average high 61 °F, low 38 °F 61°38° OctNovember: average high 48 °F, low 31 °F 48°31° NovDecember: average high 37 °F, low 23 °F 37°23° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 4.06 in precipitation, 30.3 in snowfall 4.1❄30 JanFebruary: 2.93 in precipitation, 21.3 in snowfall 2.9❄21 FebMarch: 3.62 in precipitation, 15.8 in snowfall 3.6❄16 MarApril: 4.19 in precipitation, 3.8 in snowfall 4.2❄4 AprMay: 4.36 in precipitation 4.4 MayJune: 4.47 in precipitation 4.5 JunJuly: 4.72 in precipitation 4.7 JulAugust: 3.72 in precipitation 3.7 AugSeptember: 4.36 in precipitation 4.4 SepOctober: 4.52 in precipitation, 0.9 in snowfall 4.5❄1 OctNovember: 3.87 in precipitation, 14.5 in snowfall 3.9❄15 NovDecember: 4.20 in precipitation, 27.6 in snowfall 4.2❄28 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Union City Filtration Plant, PA (9 mi away); precipitation: Union City Filtration Plant, PA (9 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.

164136a
Elgin, PA · 3 mi
164056a
Columbus, PA · 8 mi
164346a
Spartansburg, PA · 8 mi
164386a
Union City, PA · 9 mi
147246a
Clymer, NY · 9 mi
164365b
Spring Creek, PA · 10 mi
164326a
Riceville, PA · 11 mi
164025b
Bear Lake, PA · 11 mi

Pennsylvania planting zones →

Questions about 16407

What planting zone is ZIP code 16407?

ZIP code 16407 (Corry, PA) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).

When is the last frost in Corry, PA?

The median last spring frost (32 °F) near 16407 is May 7; after May 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Union City Filtration Plant station.

When is the first frost in Corry, PA?

The median first fall frost near 16407 is October 10, giving a median frost-free growing season of 155 days.

When should I plant tomatoes in 16407?

Start tomato seeds indoors around Mar 12 – Mar 26 and set transplants outside around May 14 – May 28, one to three weeks after the median last frost.

How much rain and snow does 16407 get?

About 49 inches of precipitation a year and 114 inches of snowfall (NOAA 1991–2020 normals, Union City Filtration Plant station).

How hot do summers get in Corry, PA?

The average high peaks at 80 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 16407 have?

The USDA soil survey maps Carlisle at the center of ZIP 16407: muck, very poorly drained.

Did spring come early in Corry, PA in 2026?

Spring leaf-out near 16407 came on Mar 27 in 2026, 14 days earlier than the 1991–2020 average (Apr 10), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Corry, PA?

Long-day onions: the longest day near 16407 is 15 h 14 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 16407 change?

Yes. The 2012 USDA map put 16407 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.