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

Planting zone for 15451 — Lake Lynn, PA

ZIP code 15451 (Lake Lynn, Fayette County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 25 and the first fall frost October 24.

Where ZIP 15451 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 25
First frostOct 24
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 Lake Lynn, 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 Lake Lynn, PA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 25median — 50% chance of a later frost
Safe for tender plantsMay 13only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 9
Growing season181 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 11 and returns around November 4.

From the NOAA station Lake Lynn, WV — 2 miles away, elevation 899 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 15451

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 14 – Mar 28
SpinachSow outdoors · Mar 14 – Apr 4
Broccoli, cabbageStart indoors · Feb 14 – Feb 28
Broccoli, cabbageTransplant · Apr 4 – Apr 18
Onion setsPlant outdoors · Mar 28 – Apr 11
PotatoesPlant outdoors · Apr 4 – Apr 18
LettuceSow outdoors · Mar 28 – Apr 11
Carrots, beetsSow outdoors · Apr 4 – Apr 18
TomatoesStart indoors · Feb 28 – Mar 14
TomatoesTransplant · May 2 – May 16
Peppers, eggplantStart indoors · Feb 14 – Feb 28
Peppers, eggplantTransplant · May 9 – May 23
BeansSow outdoors · May 2 – May 16
Sweet cornSow outdoors · May 2 – May 16
Cucumbers, squashSow outdoors · May 2 – May 16
Fall lettuce, spinachSow outdoors · Aug 29 – Sep 12
GarlicPlant cloves · Oct 10 – Nov 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 25) and first fall frost (Oct 24) 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 15451 came on Mar 9 — 13 days earlier than the 1991–2020 average (Mar 22).

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 Lake Lynn, PA.

Soil in Lake Lynn, PA

The soil mapped at the center of ZIP 15451 is Matewan — channery loam, well drained.

TextureChannery loama good balance for most vegetables
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter3%moderate
Hydrologic groupAwater soaks in fast
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Matewan channery 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 15451; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lake Lynn, PA

Summer high85 °Faverage high, July
Winter low22 °Faverage low, January
Hot days24days a year at 90 °F or more
Freezing nights110nights a year at 32 °F or less
Growing degree days3,226base 50 °F — the season’s usable heat
Longest day14 h 59 mindaylight on June 21
Shortest day9 h 21 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation45.2 inper year, rain and melted snow
Snowfall14 inper year

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 38 °F, low 22 °F 38°22° JanFebruary: average high 40 °F, low 23 °F 40°23° FebMarch: average high 51 °F, low 29 °F 51°29° MarApril: average high 64 °F, low 39 °F 64°39° AprMay: average high 74 °F, low 50 °F 74°50° MayJune: average high 82 °F, low 58 °F 82°58° JunJuly: average high 85 °F, low 63 °F 85°63° JulAugust: average high 83 °F, low 61 °F 83°61° AugSeptember: average high 76 °F, low 54 °F 76°54° SepOctober: average high 63 °F, low 43 °F 63°43° OctNovember: average high 51 °F, low 33 °F 51°33° NovDecember: average high 42 °F, low 27 °F 42°27° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 3.21 in precipitation, 5.2 in snowfall 3.2❄5 JanFebruary: 2.68 in precipitation, 5.6 in snowfall 2.7❄6 FebMarch: 3.65 in precipitation, 1.7 in snowfall 3.6❄2 MarApril: 3.84 in precipitation 3.8 AprMay: 4.73 in precipitation 4.7 MayJune: 4.67 in precipitation 4.7 JunJuly: 4.73 in precipitation 4.7 JulAugust: 3.92 in precipitation 3.9 AugSeptember: 3.76 in precipitation 3.8 SepOctober: 3.31 in precipitation, 0.2 in snowfall 3.3 OctNovember: 3.27 in precipitation, 0.1 in snowfall 3.3 NovDecember: 3.41 in precipitation, 1.6 in snowfall 3.4❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Lake Lynn, WV (2 mi away); precipitation: Lake Lynn, WV (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

154396b
Gans, PA · <1 mi
154746b
Point Marion, PA · 4 mi
154786b
Smithfield, PA · 4 mi
265077a
Morgantown, WV · 4 mi
154676b
New Geneva, PA · 5 mi
154606b
Martin, PA · 6 mi
153276b
Dilliner, PA · 7 mi
154616b
Masontown, PA · 8 mi

Pennsylvania planting zones →

Questions about 15451

What planting zone is ZIP code 15451?

ZIP code 15451 (Lake Lynn, 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 Lake Lynn, PA?

The median last spring frost (32 °F) near 15451 is April 25; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Lake Lynn station.

When is the first frost in Lake Lynn, PA?

The median first fall frost near 15451 is October 24, giving a median frost-free growing season of 181 days.

When should I plant tomatoes in 15451?

Start tomato seeds indoors around Feb 28 – Mar 14 and set transplants outside around May 2 – May 16, one to three weeks after the median last frost.

How much rain and snow does 15451 get?

About 45.2 inches of precipitation a year and 14 inches of snowfall (NOAA 1991–2020 normals, Lake Lynn station).

How hot do summers get in Lake Lynn, PA?

The average high peaks at 85 °F in July, with about 24 days a year at 90 °F or more.

What kind of soil does 15451 have?

The USDA soil survey maps Matewan at the center of ZIP 15451: channery loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Lake Lynn, PA in 2026?

Spring leaf-out near 15451 came on Mar 9 in 2026, 13 days earlier than the 1991–2020 average (Mar 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lake Lynn, PA?

Intermediate onions: the longest day near 15451 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.