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

Planting zone for 22641 — Strasburg, VA

ZIP code 22641 (Strasburg, Shenandoah 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 17.

Where ZIP 22641 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 17
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 Strasburg, VA…

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 Strasburg, VA

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 17median — 10% chance by Oct 5
Growing season172 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 11 and returns around October 29.

From the NOAA station Star Tannery, VA — 2 miles away, elevation 951 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 22641

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 22 – Sep 5
GarlicPlant cloves · Oct 3 – Nov 7
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 26) and first fall frost (Oct 17) 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 22641 came on Mar 10 — 10 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 Virginia

618 plants native to the lower 48 states, recorded in 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 87

Shrubs 129

Wildflowers & perennials 197

Grasses 179

Vines 12

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 Strasburg, VA.

Soil in Strasburg, VA

The soil mapped at the center of ZIP 22641 is Weikert — slightly decomposed plant material, somewhat excessively drained.

TextureSlightly decomposed plant materialtop layer
pH4.3strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat excessively drainednatural drainage class
Organic matter69%high
Hydrologic groupDwater soaks in very slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Weikert-Berks channery silt loams, 15 to 35 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 22641; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Strasburg, VA

Summer high85 °Faverage high, July
Winter low21 °Faverage low, January
Hot days20days a year at 90 °F or more
Freezing nights126nights a year at 32 °F or less
Growing degree days3,123base 50 °F — the season’s usable heat
Longest day14 h 55 mindaylight on June 21
Shortest day9 h 25 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation40.1 inper year, rain and melted snow
Snowfall25 inper year; 28 days with snow on the ground

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 52 °F, low 30 °F 52°30° MarApril: average high 65 °F, low 39 °F 65°39° AprMay: average high 72 °F, low 49 °F 72°49° MayJune: average high 80 °F, low 58 °F 80°58° JunJuly: average high 85 °F, low 62 °F 85°62° JulAugust: average high 84 °F, low 60 °F 84°60° AugSeptember: average high 77 °F, low 53 °F 77°53° SepOctober: average high 65 °F, low 41 °F 65°41° OctNovember: average high 54 °F, low 32 °F 54°32° NovDecember: average high 45 °F, low 25 °F 45°25° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.74 in precipitation, 7.9 in snowfall 2.7❄8 JanFebruary: 2.34 in precipitation, 9.6 in snowfall 2.3❄10 FebMarch: 3.59 in precipitation, 2.7 in snowfall 3.6❄3 MarApril: 3.64 in precipitation, 0.1 in snowfall 3.6 AprMay: 3.96 in precipitation 4.0 MayJune: 4.41 in precipitation 4.4 JunJuly: 3.20 in precipitation 3.2 JulAugust: 3.28 in precipitation 3.3 AugSeptember: 3.93 in precipitation 3.9 SepOctober: 3.15 in precipitation 3.1 OctNovember: 2.94 in precipitation, 0.6 in snowfall 2.9❄1 NovDecember: 2.92 in precipitation, 4.2 in snowfall 2.9❄4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Star Tannery, VA (2 mi away); precipitation: Star Tannery, VA (2 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.

All 2 ZIP codes in Strasburg → · Virginia planting zones →

Questions about 22641

What planting zone is ZIP code 22641?

ZIP code 22641 (Strasburg, VA) 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 Strasburg, VA?

The median last spring frost (32 °F) near 22641 is April 26; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Star Tannery station.

When is the first frost in Strasburg, VA?

The median first fall frost near 22641 is October 17, giving a median frost-free growing season of 172 days.

When should I plant tomatoes in 22641?

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 22641 get?

About 40.1 inches of precipitation a year and 25 inches of snowfall (NOAA 1991–2020 normals, Star Tannery station).

How hot do summers get in Strasburg, VA?

The average high peaks at 85 °F in July, with about 20 days a year at 90 °F or more.

What kind of soil does 22641 have?

The USDA soil survey maps Weikert at the center of ZIP 22641: slightly decomposed plant material, somewhat excessively drained, pH about 4.3 (strongly acidic).

Did spring come early in Strasburg, VA in 2026?

Spring leaf-out near 22641 came on Mar 10 in 2026, 10 days earlier than the 1991–2020 average (Mar 20), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Strasburg, VA?

Intermediate onions: the longest day near 22641 is 14 h 55 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 22641 change?

Yes. The 2012 USDA map put 22641 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.