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

Planting zone for 17822 — Danville, PA

ZIP code 17822 (Danville, Montour County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 27 and the first fall frost October 20.

Where ZIP 17822 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 27
First frostOct 20
2012 zone6b

Same zone as on the 2012 map. 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 Danville, 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 Danville, PA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 27median — 50% chance of a later frost
Safe for tender plantsMay 15only 10% chance of frost after
First fall frostOctober 20median — 10% chance by Oct 4
Growing season172 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 13 and returns around November 2.

From the NOAA station Bear Gap, PA — 12 miles away, elevation 1,014 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 17822

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 16 – Mar 30
SpinachSow outdoors · Mar 16 – Apr 6
Broccoli, cabbageStart indoors · Feb 16 – Mar 2
Broccoli, cabbageTransplant · Apr 6 – Apr 20
Onion setsPlant outdoors · Mar 30 – Apr 13
PotatoesPlant outdoors · Apr 6 – Apr 20
LettuceSow outdoors · Mar 30 – Apr 13
Carrots, beetsSow outdoors · Apr 6 – Apr 20
TomatoesStart indoors · Mar 2 – Mar 16
TomatoesTransplant · May 4 – May 18
Peppers, eggplantStart indoors · Feb 16 – Mar 2
Peppers, eggplantTransplant · May 11 – May 25
BeansSow outdoors · May 4 – May 18
Sweet cornSow outdoors · May 4 – May 18
Cucumbers, squashSow outdoors · May 4 – May 18
Fall lettuce, spinachSow outdoors · Aug 25 – Sep 8
GarlicPlant cloves · Oct 6 – Nov 10
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 27) and first fall frost (Oct 20) 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 17822 came on Mar 31 — 5 days earlier than the 1991–2020 average (Apr 5).

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 6b in Pennsylvania

605 plants native to the lower 48 states, recorded in Pennsylvania, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. 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 122

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 209

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 173

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °Farctic brome3 ft · blooms early summer · low shade tolerance · to −33 °FAtlantic mannagrass3 ft · blooms summer · low shade tolerance · to −8 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °F

Vines 10

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 °Fgraybark grape50 ft · blooms late spring · medium shade tolerance · to −8 °Friverbank grape45 ft · blooms late spring · medium shade tolerance · to −33 °Fsummer grape30 ft · blooms late spring · low shade tolerance · to −23 °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 Danville, PA.

Soil in Danville, PA

The soil mapped at the center of ZIP 17822 is Meckesville — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Meckesville silt loam, 3 to 8 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 17822; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Danville, PA

Summer high84 °Faverage high, July
Winter low19 °Faverage low, January
Hot days10days a year at 90 °F or more
Freezing nights127nights a year at 32 °F or less
Growing degree days2,888base 50 °F — the season’s usable heat
Longest day15 h 07 mindaylight on June 21
Shortest day9 h 13 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation41.6 inper year, rain and melted snow
Snowfall29 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 35 °F, low 19 °F 35°19° JanFebruary: average high 38 °F, low 22 °F 38°22° FebMarch: average high 48 °F, low 29 °F 48°29° MarApril: average high 61 °F, low 39 °F 61°39° AprMay: average high 71 °F, low 48 °F 71°48° MayJune: average high 79 °F, low 57 °F 79°57° JunJuly: average high 84 °F, low 61 °F 84°61° JulAugust: average high 80 °F, low 60 °F 80°60° AugSeptember: average high 74 °F, low 53 °F 74°53° SepOctober: average high 62 °F, low 42 °F 62°42° OctNovember: average high 50 °F, low 33 °F 50°33° NovDecember: average high 40 °F, low 25 °F 40°25° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 3.60 in precipitation, 10.1 in snowfall 3.6❄10 JanFebruary: 2.07 in precipitation, 7.3 in snowfall 2.1❄7 FebMarch: 3.27 in precipitation, 5.9 in snowfall 3.3❄6 MarApril: 3.80 in precipitation, 0.7 in snowfall 3.8❄1 AprMay: 3.41 in precipitation 3.4 MayJune: 3.94 in precipitation 3.9 JunJuly: 3.47 in precipitation 3.5 JulAugust: 3.30 in precipitation 3.3 AugSeptember: 4.66 in precipitation 4.7 SepOctober: 3.93 in precipitation, 0.2 in snowfall 3.9 OctNovember: 2.91 in precipitation, 0.4 in snowfall 2.9 NovDecember: 3.21 in precipitation, 4 in snowfall 3.2❄4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Bear Gap, PA (12 mi away); precipitation: Danville, PA (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 6b.

178686b
Riverside, PA · 2 mi
178216b
Danville, PA · 3 mi
178846b
Washingtonville, PA · 7 mi
178606b
Paxinos, PA · 9 mi
178246b
Elysburg, PA · 9 mi
178576b
Northumberland, PA · 9 mi
178156b
Bloomsburg, PA · 10 mi
178656b
Potts Grove, PA · 10 mi

All 2 ZIP codes in Danville → · Pennsylvania planting zones →

Questions about 17822

What planting zone is ZIP code 17822?

ZIP code 17822 (Danville, 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 Danville, PA?

The median last spring frost (32 °F) near 17822 is April 27; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Bear Gap station.

When is the first frost in Danville, PA?

The median first fall frost near 17822 is October 20, giving a median frost-free growing season of 172 days.

When should I plant tomatoes in 17822?

Start tomato seeds indoors around Mar 2 – Mar 16 and set transplants outside around May 4 – May 18, one to three weeks after the median last frost.

How much rain and snow does 17822 get?

About 41.6 inches of precipitation a year and 29 inches of snowfall (NOAA 1991–2020 normals, Danville station).

How hot do summers get in Danville, PA?

The average high peaks at 84 °F in July, with about 10 days a year at 90 °F or more.

What kind of soil does 17822 have?

The USDA soil survey maps Meckesville at the center of ZIP 17822: silt loam, well drained, pH about 4.6 (strongly acidic).

Did spring come early in Danville, PA in 2026?

Spring leaf-out near 17822 came on Mar 31 in 2026, 5 days earlier than the 1991–2020 average (Apr 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Danville, PA?

Long-day onions: the longest day near 17822 is 15 h 07 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).