Halfway, Maryland, sits in USDA hardiness zone 7a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
A short list that earns its place here — cabbage, hazelnut, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Halfway, 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 Halfway 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 Halfway — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Halfway — the short answer
Halfway, Maryland: USDA zone 7a, about 215 days between hard freezes, across 3K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~215
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K 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 Halfway's average, not your lot's — a low corner or a tree line moves it. Against Halfway's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Halfway
Each reading below is measured for Halfway itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHalfway runs about 215 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
MeasuredHalfway 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 Halfway is in
Halfway sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Halfway's own centroid rather than borrowed from Washington County.
What Grows in Halfway
Every plant below cleared Halfway's own zone 7a and its 215-day season. Each card opens that plant's Maryland profile. How we score.
Is it too late to plant in Halfway?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 6; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 3 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — 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 Halfway
Spotted lanternfly documented 2 miles from Halfway, first recorded 2020. What to watch for.
What's on the federal record near Halfway
Closest first, within ~10 miles of Halfway. Listing isn't leaking, and distance isn't exposure.
- Zip Gas MartUnderground Storage Tanks · 250 ft
- Legancy FurnitureUnderground Storage Tanks · 700 ft
- Banks & Brown T/A Hub City Mower ShopUnderground Storage Tanks · 950 ft
- Shrader Home OilUnderground Storage Tanks · 1900 ft
- JCPENNEY STORE #529 - HAGERSTOWNBrownfields · 1900 ft
- Temperature Systems, Inc.Underground Storage Tanks · 2000 ft
- Firestone Store #0529Underground Storage Tanks · 2000 ft
- SEARS #2945/2688Brownfields · 2000 ft
- DENNY'S AUTO MACHINEBrownfields · 2100 ft
- CVS PHARMACY #16605Brownfields · 2100 ft
- TARGET 1257Brownfields · 2100 ft
- PETCO STORE # 2731Brownfields · 2100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Halfway'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 Halfway.
Sources Checked
within ~10 miles of Halfway
Severity Distribution
within ~10 miles of Halfway
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 Halfway
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 Halfway average
Your land is one point inside Halfway
Everything above resolves to Halfway as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Halfway Average
Halfway Average
- ●USDA Zones 7a, averaged across Halfway
- ●One soil character for all of Halfway
- ●Frost dates read at Halfway's scale: Apr 3 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Halfway's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Halfway
Pull a site-specific report for your exact address in Halfway, Maryland — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Halfway averages can't show:
We read public map data around Halfway — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Halfway average
How we know this about Halfway
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 Halfway’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 Halfway
When does frost risk typically end in Halfway?
The last hard freeze (28°F) in Halfway typically lands around Apr 3, 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 24.
When is the first frost in Halfway?
The first hard freeze (28°F) in Halfway typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 215 days after the spring freeze cleared.
How long is the growing season in Halfway?
Measured between 28°F hard freezes, Halfway sees about 215 frost-free days — roughly Apr 3 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 24 to Oct 21, about 180 days.
Is the soil safe to grow vegetables in Halfway?
The federal record around Halfway is a meaningful one — 995 documented sites, mostly Underground Storage Tanks entries (436), the nearest Underground Storage Tanks record under a tenth of a mile 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 Halfway?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Halfway's scale — its 7a band and its 215-day season. Your yard writes its own version of Halfway'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 Halfway’s own scale
7 of the readings below were taken at Halfway's own scale — its own ~215-day season between 28°F freezes, the 2,796 acres it covers and 995 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Halfway's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Halfway's own 28°F hard-freeze dates, about Apr 3 and Nov 4 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 995 documented contamination sites on the federal record near Halfway, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Halfway's boundary and the 2,796 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~215-day seasonGrowable Ground crop-matching engine
- The ecoregion at Halfway's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Halfwaylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Halfway's 2,796 acres read through its county's SSURGO summaryfrom Washington County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Washington 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 Washington County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Halfway's 2,796 acreswhy one lot differs from the next →
- Which side of Halfway you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,796 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Halfway-wide figureread your own land →