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

Planting zone for 25442 — Shenandoah Junction, WV

ZIP code 25442 (Shenandoah Junction, Jefferson County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 26 and the first fall frost October 18.

Where ZIP 25442 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.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 26
First frostOct 18
2012 zone6b

Was 6b 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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Shenandoah Junction, WV…

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 Shenandoah Junction, WV

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 26median — 50% chance of a later frost
Safe for tender plantsMay 15only 10% chance of frost after
First fall frostOctober 18median — 10% chance by Oct 5
Growing season175 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 11 and returns around October 30.

From the NOAA station Sharpsburg 5 S, MD — 6 miles away, elevation 400 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 25442

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 15 – Mar 29
SpinachSow outdoors · Mar 15 – Apr 5
Broccoli, cabbageStart indoors · Feb 15 – Mar 1
Broccoli, cabbageTransplant · Apr 5 – Apr 19
Onion setsPlant outdoors · Mar 29 – Apr 12
PotatoesPlant outdoors · Apr 5 – Apr 19
LettuceSow outdoors · Mar 29 – Apr 12
Carrots, beetsSow outdoors · Apr 5 – Apr 19
TomatoesStart indoors · Mar 1 – Mar 15
TomatoesTransplant · May 3 – May 17
Peppers, eggplantStart indoors · Feb 15 – Mar 1
Peppers, eggplantTransplant · May 10 – May 24
BeansSow outdoors · May 3 – May 17
Sweet cornSow outdoors · May 3 – May 17
Cucumbers, squashSow outdoors · May 3 – May 17
Fall lettuce, spinachSow outdoors · Aug 23 – Sep 6
GarlicPlant cloves · Oct 4 – Nov 8
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 26) and first fall frost (Oct 18) 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 25442 came on Mar 12 — 8 days earlier than the 1991–2020 average (Mar 20).

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 7a in West Virginia

515 plants native to the lower 48 states, recorded in West Virginia, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 69

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 103

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 181

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican vetch1.3 ft · blooms late spring · high shade tolerance · to −38 °FAmerican water horehound1.8 ft · blooms early summer · low shade tolerance · to −38 °F

Grasses 137

arctic 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 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbitter panicgrass5 ft · blooms mid summer · high shade tolerance · to −18 °F

Vines 12

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °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 °Fheartleaf peppervine2 ft · blooms late spring · low shade tolerance · to −8 °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 Shenandoah Junction, WV.

Soil in Shenandoah Junction, WV

The soil mapped at the center of ZIP 25442 is Poplimento — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.5moderately acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Poplimento 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 25442; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Shenandoah Junction, WV

Summer high86 °Faverage high, July
Winter low21 °Faverage low, January
Hot days25days a year at 90 °F or more
Freezing nights126nights a year at 32 °F or less
Growing degree days3,306base 50 °F — the season’s usable heat
Longest day14 h 57 mindaylight on June 21
Shortest day9 h 23 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation43.3 inper year, rain and melted snow

Average high and low, by month

10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 41 °F, low 21 °F 41°21° JanFebruary: average high 44 °F, low 23 °F 44°23° FebMarch: average high 53 °F, low 29 °F 53°29° MarApril: average high 65 °F, low 39 °F 65°39° AprMay: average high 74 °F, low 49 °F 74°49° MayJune: average high 82 °F, low 58 °F 82°58° JunJuly: average high 86 °F, low 62 °F 86°62° JulAugust: average high 85 °F, low 61 °F 85°61° AugSeptember: average high 78 °F, low 54 °F 78°54° SepOctober: average high 67 °F, low 42 °F 67°42° OctNovember: average high 56 °F, low 32 °F 56°32° NovDecember: average high 45 °F, low 25 °F 45°25° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 2.97 in precipitation 3.0 JanFebruary: 2.55 in precipitation 2.5 FebMarch: 3.58 in precipitation 3.6 MarApril: 3.54 in precipitation 3.5 AprMay: 4.87 in precipitation 4.9 MayJune: 4.20 in precipitation 4.2 JunJuly: 4.04 in precipitation 4.0 JulAugust: 3.46 in precipitation 3.5 AugSeptember: 4.20 in precipitation 4.2 SepOctober: 3.47 in precipitation 3.5 OctNovember: 3.03 in precipitation 3.0 NovDecember: 3.37 in precipitation 3.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sharpsburg 5 S, MD (6 mi away); precipitation: Shenandoah Junction 2.8 Se, WV (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

254387a
Ranson, WV · 4 mi
254237a
Halltown, WV · 4 mi
254107a
Bakerton, WV · 5 mi
254417a
Rippon, WV · 5 mi
254437a
Shepherdstown, WV · 5 mi
254257a
Harpers Ferry, WV · 6 mi
254307a
Kearneysville, WV · 6 mi
217827a
Sharpsburg, MD · 7 mi

West Virginia planting zones →

Questions about 25442

What planting zone is ZIP code 25442?

ZIP code 25442 (Shenandoah Junction, WV) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Shenandoah Junction, WV?

The median last spring frost (32 °F) near 25442 is April 26; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sharpsburg 5 S station.

When is the first frost in Shenandoah Junction, WV?

The median first fall frost near 25442 is October 18, giving a median frost-free growing season of 175 days.

When should I plant tomatoes in 25442?

Start tomato seeds indoors around Mar 1 – Mar 15 and set transplants outside around May 3 – May 17, one to three weeks after the median last frost.

How much rain and snow does 25442 get?

About 43.3 inches of precipitation a year (NOAA 1991–2020 normals, Shenandoah Junction 2.8 Se station).

How hot do summers get in Shenandoah Junction, WV?

The average high peaks at 86 °F in July, with about 25 days a year at 90 °F or more.

What kind of soil does 25442 have?

The USDA soil survey maps Poplimento at the center of ZIP 25442: silt loam, well drained, pH about 5.5 (moderately acidic).

Did spring come early in Shenandoah Junction, WV in 2026?

Spring leaf-out near 25442 came on Mar 12 in 2026, 8 days earlier than the 1991–2020 average (Mar 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Shenandoah Junction, WV?

Intermediate onions: the longest day near 25442 is 14 h 57 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 25442 change?

Yes. The 2012 USDA map put 25442 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.