Manchester, Maryland, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Well-matched crops include cabbage, hazelnut, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Manchester, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Manchester lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Manchester — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Manchester — the short answer
Manchester, Maryland: USDA zone 7a, about 230 days between hard freezes, across 2K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 29
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~230
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 2K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 7a is Manchester's average, not your lot's — a low corner or a tree line moves it. Against Manchester's 230-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Manchester
Each reading below is measured for Manchester itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredManchester runs about 230 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredManchester sits in USDA hardiness zone 7a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Manchester is in
Manchester sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Manchester's own centroid rather than borrowed from Carroll County.
What Grows in Manchester
Every plant below cleared Manchester's own zone 7a and its 230-day season. Each card opens that plant's Maryland profile. How we score.
Is it too late to plant in Manchester?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Manchester
Spotted lanternfly documented 3 miles from Manchester, first recorded 2022. What to watch for.
What's on the federal record near Manchester
Closest first, within ~10 miles of Manchester. Listing isn't leaking, and distance isn't exposure.
- CALTRIDER'S BODY SHOPBrownfields · 1700 ft
- CALTRIDERS GARAGE INCBrownfields · 1700 ft
- LEWYS GARAGEBrownfields · 2000 ft
- Hamstead VideoUnderground Storage Tanks · 2100 ft
- Richard E. BerwagerUnderground Storage Tanks · 2200 ft
- Town of Manchester W.W.T.P.Underground Storage Tanks · 2300 ft
- Manchester Auto Parts, Inc.Underground Storage Tanks · 2600 ft
- MORRIS AUTOMOTIVE MACHINEBrownfields · 0.5 mi
- Miller PropertyUnderground Storage Tanks · 0.5 mi
- Manchester Vol. Fire Co.Underground Storage Tanks · 0.6 mi
- Java GarageUnderground Storage Tanks · 0.6 mi
- MANCHESTER ELEM SCHLBrownfields · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Manchester's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Manchester.
Sources Checked
within ~10 miles of Manchester
Severity Distribution
within ~10 miles of Manchester
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Manchester
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Manchester average
Your land is one point inside Manchester
Everything above resolves to Manchester as a whole — one PHZM band and one 28°F frost record, read across 2K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Manchester Average
Manchester Average
- ●USDA Zones 7a, averaged across Manchester
- ●One soil character for all of Manchester
- ●Frost dates read at Manchester's scale: Mar 29 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Manchester's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Manchester
Pull a site-specific report for your exact address in Manchester, Maryland — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Manchester averages can't show:
We read public map data around Manchester — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Manchester average
How we know this about Manchester
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Manchester’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Manchester
When does frost risk typically end in Manchester?
The last hard freeze (28°F) in Manchester typically lands around Mar 29, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 19.
When is the first frost in Manchester?
The first hard freeze (28°F) in Manchester typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 230 days after the spring freeze cleared.
How long is the growing season in Manchester?
Measured between 28°F hard freezes, Manchester sees about 230 frost-free days — roughly Mar 29 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 31, about 195 days.
Is the soil safe to grow vegetables in Manchester?
The federal record around Manchester is a meaningful one — 584 documented sites, mostly Underground Storage Tanks entries (274), the nearest Brownfields record about 0.3 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Manchester?
From about Oct 15 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 14 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Manchester's scale — its 7a band and its 230-day season. Your yard writes its own version of Manchester's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Manchester’s own scale
7 of the readings below were taken at Manchester's own scale — its own ~230-day season between 28°F freezes, the 1,542 acres it covers and 584 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Manchester's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Manchester's own 28°F hard-freeze dates, about Mar 29 and Nov 14 and the ~230-day span between themNOAA 1991–2020 Climate Normals
- 584 documented contamination sites on the federal record near Manchester, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- Manchester's boundary and the 1,542 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~230-day seasonGrowable Ground crop-matching engine
- The ecoregion at Manchester's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Manchesterlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Manchester's 1,542 acres read through its county's SSURGO summaryfrom Carroll County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Carroll County
- The growing challenges every Maryland grower plans around — written at state scale, so they stay on the state guidefrom Maryland
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Carroll County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Manchester's 1,542 acreswhy one lot differs from the next →
- Which side of Manchester you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,542 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.3 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Manchester-wide figureread your own land →
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