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

Planting zone for Cumberland, MD

Cumberland, MD is in USDA zone 7a across its 5 ZIP codes. The median last spring frost is April 15 and the first fall frost October 24.

Cumberland on the zone map

Outlined: its 1 ZIP code areas · 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
ZIP codes5
Last frostApr 15
First frostOct 24
Growing season190 days

7a 5 ZIPs

Frost forecast — next 7 nights

live from the National Weather Service

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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 Cumberland, MD

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 15median — 50% chance of a later frost
Safe for tender plantsMay 5only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 9
Growing season190 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 3 and returns around November 3.

From the NOAA station Cumberland 2, MD, elevation 732 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 Cumberland

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 4 – Mar 18
SpinachSow outdoors · Mar 4 – Mar 25
Broccoli, cabbageStart indoors · Feb 4 – Feb 18
Broccoli, cabbageTransplant · Mar 25 – Apr 8
Onion setsPlant outdoors · Mar 18 – Apr 1
PotatoesPlant outdoors · Mar 25 – Apr 8
LettuceSow outdoors · Mar 18 – Apr 1
Carrots, beetsSow outdoors · Mar 25 – Apr 8
TomatoesStart indoors · Feb 18 – Mar 4
TomatoesTransplant · Apr 22 – May 6
Peppers, eggplantStart indoors · Feb 4 – Feb 18
Peppers, eggplantTransplant · Apr 29 – May 13
BeansSow outdoors · Apr 22 – May 6
Sweet cornSow outdoors · Apr 22 – May 6
Cucumbers, squashSow outdoors · Apr 22 – May 6
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 15) 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 21502 came on Mar 11 — 9 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 Maryland

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

Trees 82

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 126

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 beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican black currant3 ft · blooms early spring · to −46 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °F

Wildflowers & perennials 203

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 175

American beachgrass2.5 ft · blooms spring · high shade tolerance · to −28 °FAmerican cupscale3 ft · blooms early summer · high shade tolerance · to −18 °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 °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 Cumberland, MD.

Soil in Cumberland, MD

The soil mapped at the center of ZIP 21502 is Downsville — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Downsville-Urban land complex, 0 to 8 percent slope.

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 21502; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cumberland, MD

Summer high87 °Faverage high, July
Winter low23 °Faverage low, January
Hot days37days a year at 90 °F or more
Freezing nights111nights a year at 32 °F or less
Growing degree days3,554base 50 °F — the season’s usable heat
Longest day14 h 58 mindaylight on June 21
Shortest day9 h 22 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation39.2 inper year, rain and melted snow
Snowfall29 inper year; 33 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 39 °F, low 23 °F 39°23° JanFebruary: average high 43 °F, low 24 °F 43°24° FebMarch: average high 53 °F, low 31 °F 53°31° MarApril: average high 66 °F, low 41 °F 66°41° AprMay: average high 75 °F, low 51 °F 75°51° MayJune: average high 83 °F, low 60 °F 83°60° JunJuly: average high 87 °F, low 64 °F 87°64° JulAugust: average high 85 °F, low 63 °F 85°63° AugSeptember: average high 79 °F, low 55 °F 79°55° SepOctober: average high 67 °F, low 43 °F 67°43° OctNovember: average high 54 °F, low 34 °F 54°34° NovDecember: average high 43 °F, low 27 °F 43°27° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.79 in precipitation, 8.2 in snowfall 2.8❄8 JanFebruary: 2.38 in precipitation, 7.7 in snowfall 2.4❄8 FebMarch: 3.42 in precipitation, 6.8 in snowfall 3.4❄7 MarApril: 3.41 in precipitation, 0.1 in snowfall 3.4 AprMay: 4.22 in precipitation 4.2 MayJune: 3.87 in precipitation 3.9 JunJuly: 3.73 in precipitation 3.7 JulAugust: 3.40 in precipitation 3.4 AugSeptember: 3.55 in precipitation 3.5 SepOctober: 2.82 in precipitation 2.8 OctNovember: 2.58 in precipitation, 0.5 in snowfall 2.6❄1 NovDecember: 3.05 in precipitation, 5.4 in snowfall 3.0❄5 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cumberland 2, MD (within 1 mile); precipitation: Cumberland 2, MD (within 1 mile). Daylight is calculated from latitude.

ZIP codes in Cumberland

215017a
0 to 5 °F
215027a
0 to 5 °F
215037a
0 to 5 °F
215047a
0 to 5 °F
215057a
0 to 5 °F

Maryland planting zones →

Questions about Cumberland

What planting zone is Cumberland, MD?

Cumberland, MD is in USDA hardiness zone 7a on the 2023 map (7a: 0 to 5 °F).

When is the last frost in Cumberland, MD?

The median last spring frost is April 15 and the median first fall frost is October 24 (NOAA 1991–2020 normals, Cumberland 2 station).

When can I plant a garden in Cumberland, MD?

Cool-season crops like peas and spinach go in around Mar 4 – Mar 25; tomatoes, peppers, beans and squash after about Apr 22, once frost risk has passed.

What kind of onions grow in Cumberland, MD?

Intermediate onions: the longest day is 14 h 58 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

How much rain and snow does Cumberland, MD get?

About 39.2 inches of precipitation a year and 29 inches of snowfall (NOAA 1991–2020 normals).