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

Planting zone for 20180 — Lovettsville, VA

ZIP code 20180 (Lovettsville, Loudoun County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 16 and the first fall frost October 25.

Where ZIP 20180 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 16
First frostOct 25
2012 zone7a

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 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Lovettsville, 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 Lovettsville, VA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 16median — 50% chance of a later frost
Safe for tender plantsMay 7only 10% chance of frost after
First fall frostOctober 25median — 10% chance by Oct 7
Growing season189 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 5.

From the NOAA station Purcellville, VA — 9 miles away, elevation 509 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 20180

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 5 – Mar 19
SpinachSow outdoors · Mar 5 – Mar 26
Broccoli, cabbageStart indoors · Feb 5 – Feb 19
Broccoli, cabbageTransplant · Mar 26 – Apr 9
Onion setsPlant outdoors · Mar 19 – Apr 2
PotatoesPlant outdoors · Mar 26 – Apr 9
LettuceSow outdoors · Mar 19 – Apr 2
Carrots, beetsSow outdoors · Mar 26 – Apr 9
TomatoesStart indoors · Feb 19 – Mar 5
TomatoesTransplant · Apr 23 – May 7
Peppers, eggplantStart indoors · Feb 5 – Feb 19
Peppers, eggplantTransplant · Apr 30 – May 14
BeansSow outdoors · Apr 23 – May 7
Sweet cornSow outdoors · Apr 23 – May 7
Cucumbers, squashSow outdoors · Apr 23 – May 7
Fall lettuce, spinachSow outdoors · Aug 30 – Sep 13
GarlicPlant cloves · Oct 11 – Nov 15
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 16) and first fall frost (Oct 25) 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 20180 came on Mar 12 — 7 days earlier than the 1991–2020 average (Mar 19).

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).

Soil in Lovettsville, VA

The soil mapped at the center of ZIP 20180 is Mongle — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageSomewhat poorly drainedconsider raised beds
Organic matter2%moderate
Hydrologic groupB/Dmoderate when drained; wet otherwise
Farmland classNot prime farmlandUSDA classification

Map unit: Mongle silt loam, 0 to 7 percent slopes, frequently flooded.

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 20180; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lovettsville, VA

Summer high86 °Faverage high, July
Winter low25 °Faverage low, January
Hot days30days a year at 90 °F or more
Freezing nights115nights a year at 32 °F or less
Growing degree days3,557base 50 °F — the season’s usable heat
Longest day14 h 56 mindaylight on June 21
Shortest day9 h 24 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation43.8 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 25 °F 41°25° JanFebruary: average high 44 °F, low 26 °F 44°26° FebMarch: average high 53 °F, low 32 °F 53°32° MarApril: average high 65 °F, low 42 °F 65°42° AprMay: average high 73 °F, low 52 °F 73°52° MayJune: average high 81 °F, low 61 °F 81°61° JunJuly: average high 86 °F, low 66 °F 86°66° JulAugust: average high 85 °F, low 64 °F 85°64° AugSeptember: average high 78 °F, low 56 °F 78°56° SepOctober: average high 66 °F, low 44 °F 66°44° OctNovember: average high 55 °F, low 35 °F 55°35° NovDecember: average high 45 °F, low 28 °F 45°28° Dec

Precipitation by month inches

0″1″2″3″4″5″January: 3.05 in precipitation 3.0 JanFebruary: 2.56 in precipitation 2.6 FebMarch: 3.61 in precipitation 3.6 MarApril: 3.54 in precipitation 3.5 AprMay: 4.35 in precipitation 4.3 MayJune: 4.25 in precipitation 4.3 JunJuly: 4.08 in precipitation 4.1 JulAugust: 3.57 in precipitation 3.6 AugSeptember: 4.77 in precipitation 4.8 SepOctober: 3.52 in precipitation 3.5 OctNovember: 3.13 in precipitation 3.1 NovDecember: 3.35 in precipitation 3.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Purcellville, VA (9 mi away); precipitation: Purcellville, VA (9 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.

217167a
Brunswick, MD · 3 mi
201977a
Waterford, VA · 5 mi
217777a
Point Of Rocks, MD · 6 mi
217587a
Knoxville, MD · 6 mi
217907a
Tuscarora, MD · 7 mi
217557b
Jefferson, MD · 7 mi
201297a
Paeonian Springs, VA · 8 mi
254257a
Harpers Ferry, WV · 8 mi

Virginia planting zones →

Questions about 20180

What planting zone is ZIP code 20180?

ZIP code 20180 (Lovettsville, 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 Lovettsville, VA?

The median last spring frost (32 °F) near 20180 is April 16; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Purcellville station.

When is the first frost in Lovettsville, VA?

The median first fall frost near 20180 is October 25, giving a median frost-free growing season of 189 days.

When should I plant tomatoes in 20180?

Start tomato seeds indoors around Feb 19 – Mar 5 and set transplants outside around Apr 23 – May 7, one to three weeks after the median last frost.

How much rain and snow does 20180 get?

About 43.8 inches of precipitation a year (NOAA 1991–2020 normals, Purcellville station).

How hot do summers get in Lovettsville, VA?

The average high peaks at 86 °F in July, with about 30 days a year at 90 °F or more.

What kind of soil does 20180 have?

The USDA soil survey maps Mongle at the center of ZIP 20180: silt loam, somewhat poorly drained, pH about 4.6 (strongly acidic).

Did spring come early in Lovettsville, VA in 2026?

Spring leaf-out near 20180 came on Mar 12 in 2026, 7 days earlier than the 1991–2020 average (Mar 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Lovettsville, VA?

Intermediate onions: the longest day near 20180 is 14 h 56 min, so day-neutral types bulb best; long-day varieties may not bulb fully.