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

Planting zone for 17765 — Roaring Branch, PA

ZIP code 17765 (Roaring Branch, Tioga County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 16 and the first fall frost October 2.

Where ZIP 17765 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 16
First frostOct 2
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 Roaring Branch, 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 Roaring Branch, PA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 16median — 50% chance of a later frost
Safe for tender plantsMay 29only 10% chance of frost after
First fall frostOctober 2median — 10% chance by Sep 18
Growing season139 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 1 and returns around October 13.

From the NOAA station Canton, PA — 9 miles away, elevation 1,142 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 17765

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Apr 4 – Apr 18
SpinachSow outdoors · Apr 4 – Apr 25
Broccoli, cabbageStart indoors · Mar 7 – Mar 21
Broccoli, cabbageTransplant · Apr 25 – May 9
Onion setsPlant outdoors · Apr 18 – May 2
PotatoesPlant outdoors · Apr 25 – May 9
LettuceSow outdoors · Apr 18 – May 2
Carrots, beetsSow outdoors · Apr 25 – May 9
TomatoesStart indoors · Mar 21 – Apr 4
TomatoesTransplant · May 23 – Jun 6
Peppers, eggplantStart indoors · Mar 7 – Mar 21
Peppers, eggplantTransplant · May 30 – Jun 13
BeansSow outdoors · May 23 – Jun 6
Sweet cornSow outdoors · May 23 – Jun 6
Cucumbers, squashSow outdoors · May 23 – Jun 6
Fall lettuce, spinachSow outdoors · Aug 7 – Aug 21
GarlicPlant cloves · Sep 18 – Oct 23
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 16) and first fall frost (Oct 2) 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 17765 came on Apr 8 — 6 days earlier than the 1991–2020 average (Apr 14).

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 Roaring Branch, PA.

Soil in Roaring Branch, PA

The soil mapped at the center of ZIP 17765 is Lordstown — channery loam, well drained.

TextureChannery loama good balance for most vegetables
pH5.5moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter5%high
Hydrologic groupCwater soaks in slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Lordstown channery loam, 12 to 20 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 17765; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Roaring Branch, PA

Summer high81 °Faverage high, July
Winter low15 °Faverage low, January
Hot days4days a year at 90 °F or more
Freezing nights160nights a year at 32 °F or less
Growing degree days2,272base 50 °F — the season’s usable heat
Longest day15 h 12 mindaylight on June 21
Shortest day9 h 09 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation41.2 inper year, rain and melted snow
Snowfall42 inper year; 50 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 33 °F, low 15 °F 33°15° JanFebruary: average high 36 °F, low 16 °F 36°16° FebMarch: average high 44 °F, low 23 °F 44°23° MarApril: average high 58 °F, low 33 °F 58°33° AprMay: average high 69 °F, low 44 °F 69°44° MayJune: average high 77 °F, low 53 °F 77°53° JunJuly: average high 81 °F, low 57 °F 81°57° JulAugust: average high 79 °F, low 56 °F 79°56° AugSeptember: average high 72 °F, low 48 °F 72°48° SepOctober: average high 60 °F, low 37 °F 60°37° OctNovember: average high 48 °F, low 29 °F 48°29° NovDecember: average high 38 °F, low 22 °F 38°22° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.87 in precipitation, 10.1 in snowfall 2.9❄10 JanFebruary: 2.12 in precipitation, 9.9 in snowfall 2.1❄10 FebMarch: 3.30 in precipitation, 8.8 in snowfall 3.3❄9 MarApril: 3.63 in precipitation, 1.5 in snowfall 3.6❄2 AprMay: 3.58 in precipitation 3.6 MayJune: 3.76 in precipitation 3.8 JunJuly: 3.83 in precipitation 3.8 JulAugust: 3.87 in precipitation 3.9 AugSeptember: 4.34 in precipitation 4.3 SepOctober: 3.83 in precipitation, 0.2 in snowfall 3.8 OctNovember: 2.97 in precipitation, 2.8 in snowfall 3.0❄3 NovDecember: 3.09 in precipitation, 8.8 in snowfall 3.1❄9 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Canton, PA (9 mi away); precipitation: Canton, PA (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6a.

177636a
Ralston, PA · 7 mi
169396a
Morris Run, PA · 7 mi
169126a
Blossburg, PA · 7 mi
169306a
Liberty, PA · 8 mi
169116a
Arnot, PA · 9 mi
177246a
Canton, PA · 10 mi
177716a
Trout Run, PA · 10 mi
169176a
Covington, PA · 10 mi

Pennsylvania planting zones →

Questions about 17765

What planting zone is ZIP code 17765?

ZIP code 17765 (Roaring Branch, 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 Roaring Branch, PA?

The median last spring frost (32 °F) near 17765 is May 16; after May 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Canton station.

When is the first frost in Roaring Branch, PA?

The median first fall frost near 17765 is October 2, giving a median frost-free growing season of 139 days.

When should I plant tomatoes in 17765?

Start tomato seeds indoors around Mar 21 – Apr 4 and set transplants outside around May 23 – Jun 6, one to three weeks after the median last frost.

How much rain and snow does 17765 get?

About 41.2 inches of precipitation a year and 42 inches of snowfall (NOAA 1991–2020 normals, Canton station).

How hot do summers get in Roaring Branch, PA?

The average high peaks at 81 °F in July, with about 4 days a year at 90 °F or more.

What kind of soil does 17765 have?

The USDA soil survey maps Lordstown at the center of ZIP 17765: channery loam, well drained, pH about 5.5 (moderately acidic).

Did spring come early in Roaring Branch, PA in 2026?

Spring leaf-out near 17765 came on Apr 8 in 2026, 6 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Roaring Branch, PA?

Long-day onions: the longest day near 17765 is 15 h 12 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 17765 change?

Yes. The 2012 USDA map put 17765 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.