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

Planting zone for 21053 — Freeland, MD

ZIP code 21053 (Freeland, Baltimore County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 19 and the first fall frost October 25.

Where ZIP 21053 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 19
First frostOct 25
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 Freeland, MD…

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 Freeland, MD

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 19median — 50% chance of a later frost
Safe for tender plantsMay 8only 10% chance of frost after
First fall frostOctober 25median — 10% chance by Oct 8
Growing season188 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 5 and returns around November 4.

From the NOAA station Millers 4 Ne, MD — 5 miles away, elevation 860 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 21053

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 8 – Mar 22
SpinachSow outdoors · Mar 8 – Mar 29
Broccoli, cabbageStart indoors · Feb 8 – Feb 22
Broccoli, cabbageTransplant · Mar 29 – Apr 12
Onion setsPlant outdoors · Mar 22 – Apr 5
PotatoesPlant outdoors · Mar 29 – Apr 12
LettuceSow outdoors · Mar 22 – Apr 5
Carrots, beetsSow outdoors · Mar 29 – Apr 12
TomatoesStart indoors · Feb 22 – Mar 8
TomatoesTransplant · Apr 26 – May 10
Peppers, eggplantStart indoors · Feb 8 – Feb 22
Peppers, eggplantTransplant · May 3 – May 17
BeansSow outdoors · Apr 26 – May 10
Sweet cornSow outdoors · Apr 26 – May 10
Cucumbers, squashSow outdoors · Apr 26 – May 10
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 19) 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 21053 came on Mar 22 — 3 days earlier than the 1991–2020 average (Mar 25).

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 Freeland, MD

The soil mapped at the center of ZIP 21053 is Glenelg — channery loam, well drained.

TextureChannery loama good balance for most vegetables
pH6.0slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Glenelg channery loam, 8 to 15 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 21053; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Freeland, MD

Summer high85 °Faverage high, July
Winter low24 °Faverage low, January
Hot days12days a year at 90 °F or more
Freezing nights101nights a year at 32 °F or less
Growing degree days3,441base 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
Precipitation47.9 inper year, rain and melted snow
Snowfall34 inper year; 30 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 40 °F, low 24 °F 40°24° JanFebruary: average high 43 °F, low 25 °F 43°25° FebMarch: average high 52 °F, low 32 °F 52°32° MarApril: average high 65 °F, low 42 °F 65°42° AprMay: average high 73 °F, low 51 °F 73°51° MayJune: average high 81 °F, low 60 °F 81°60° JunJuly: average high 85 °F, low 64 °F 85°64° JulAugust: average high 83 °F, low 63 °F 83°63° AugSeptember: average high 77 °F, low 56 °F 77°56° SepOctober: average high 65 °F, low 45 °F 65°45° OctNovember: average high 54 °F, low 36 °F 54°36° NovDecember: average high 44 °F, low 28 °F 44°28° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.58 in precipitation, 9.7 in snowfall 3.6❄10 JanFebruary: 2.94 in precipitation, 10.8 in snowfall 2.9❄11 FebMarch: 4.14 in precipitation, 6.3 in snowfall 4.1❄6 MarApril: 3.84 in precipitation, 0.5 in snowfall 3.8❄1 AprMay: 3.96 in precipitation 4.0 MayJune: 3.80 in precipitation 3.8 JunJuly: 4.73 in precipitation 4.7 JulAugust: 4.19 in precipitation 4.2 AugSeptember: 5.11 in precipitation 5.1 SepOctober: 4.19 in precipitation, 0.2 in snowfall 4.2 OctNovember: 3.36 in precipitation, 1 in snowfall 3.4❄1 NovDecember: 4.04 in precipitation, 5.6 in snowfall 4.0❄6 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Millers 4 Ne, MD (5 mi away); precipitation: Millers 4 Ne, MD (5 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7a.

Maryland planting zones →

Questions about 21053

What planting zone is ZIP code 21053?

ZIP code 21053 (Freeland, MD) 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 Freeland, MD?

The median last spring frost (32 °F) near 21053 is April 19; after May 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Millers 4 Ne station.

When is the first frost in Freeland, MD?

The median first fall frost near 21053 is October 25, giving a median frost-free growing season of 188 days.

When should I plant tomatoes in 21053?

Start tomato seeds indoors around Feb 22 – Mar 8 and set transplants outside around Apr 26 – May 10, one to three weeks after the median last frost.

How much rain and snow does 21053 get?

About 47.9 inches of precipitation a year and 34 inches of snowfall (NOAA 1991–2020 normals, Millers 4 Ne station).

How hot do summers get in Freeland, MD?

The average high peaks at 85 °F in July, with about 12 days a year at 90 °F or more.

What kind of soil does 21053 have?

The USDA soil survey maps Glenelg at the center of ZIP 21053: channery loam, well drained, pH about 6.0 (slightly acidic).

Did spring come early in Freeland, MD in 2026?

Spring leaf-out near 21053 came on Mar 22 in 2026, 3 days earlier than the 1991–2020 average (Mar 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Freeland, MD?

Intermediate onions: the longest day near 21053 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 21053 change?

Yes. The 2012 USDA map put 21053 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.