New Boston, Ohio, 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.
These conditions suit cabbage, hazelnut, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in New Boston, 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 New Boston 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 New Boston — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
New Boston — the short answer
New Boston, Ohio: USDA zone 7a, about 215 days between hard freezes, across 718 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
- 718 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 New Boston's average, not your lot's — a low corner or a tree line moves it. Against New Boston's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in New Boston
Each reading below is measured for New Boston itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredNew Boston 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
MeasuredNew Boston 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 New Boston is in
New Boston sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at New Boston's own centroid rather than borrowed from Scioto County.
What Grows in New Boston
Every plant below cleared New Boston's own zone 7a and its 215-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in New Boston?
Rarely: the season closes in stages, not all at once, and each stage has its crops. 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. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around New Boston
Survey cells within 31 miles of New Boston checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 80 miles off. What to watch for.
What's on the federal record near New Boston
Closest first, within ~10 miles of New Boston. Listing isn't leaking, and distance isn't exposure.
- HICKS GAS & OIL #3Underground Storage Tanks · 250 ft
- COLUMBIA GAS OF OHIO NEW BOSTON FACILITYBrownfields · 350 ft
- VILLAGE OF NEW BOSTONUnderground Storage Tanks · 400 ft
- KING RIVER LIMITED INC.Superfund · 550 ft
- OSCO INDUSTRIES, INC. NEW BOSTON DIVISI (0773010180)Toxics Release Inventory · 550 ft
- OSCO INDUSTRIES, INC. NEW BOSTON DIVISI (0773010180)Brownfields · 550 ft
- FORMERLY ARMCO STEELUnderground Storage Tanks · 550 ft
- BURLESON'S AUTO SUPPLY, INC.Underground Storage Tanks · 700 ft
- TRACTOR SUPPLY COMPANY #1579Brownfields · 750 ft
- SFI OF OHIO, LLCToxics Release Inventory · 850 ft
- FAMILY DOLLAR #866Brownfields · 1000 ft
- HICKS GAS & DIESEL #4Underground Storage Tanks · 1200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from New Boston'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 New Boston.
Total Sites
317
within ~10 miles of New Boston
Risk Level
Elevated
Highest-severity
4 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of New Boston
Severity Distribution
within ~10 miles of New Boston
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around New Boston, two things run higher than the national average within ~10 miles of New Boston — PFAS (5 sites) and Superfund (4 sites). That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in New Boston
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 New Boston average
Your land is one point inside New Boston
Everything above resolves to New Boston as a whole — one PHZM band and one 28°F frost record, read across 718 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 New Boston Average
New Boston Average
- ●USDA Zones 7a, averaged across New Boston
- ●One soil character for all of New Boston
- ●Frost dates read at New Boston's scale: Apr 3 to Nov 4
YOUR Parcel
- ✓Your exact zone, not New Boston's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in New Boston
Pull a site-specific report for your exact address in New Boston, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that New Boston averages can't show:
We read public map data around New Boston — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the New Boston average
How we know this about New Boston
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 New Boston’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 New Boston
When does frost risk typically end in New Boston?
The last hard freeze (28°F) in New Boston 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 New Boston?
The first hard freeze (28°F) in New Boston 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 New Boston?
Measured between 28°F hard freezes, New Boston 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 New Boston?
The federal record around New Boston is a meaningful one — 317 documented sites, mostly Underground Storage Tanks entries (189), 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 New Boston?
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 New Boston's scale — its 7a band and its 215-day season. Your yard writes its own version of New Boston'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 New Boston’s own scale
7 of the readings below were taken at New Boston's own scale — its own ~215-day season between 28°F freezes, the 718 acres it covers and 317 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- New Boston's own USDA hardiness band, zones 7aUSDA PHZM 2023
- New Boston's own 28°F hard-freeze dates, about Apr 3 and Nov 4 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 317 documented contamination sites on the federal record near New Boston, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- New Boston's boundary and the 718 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 New Boston's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
- Lanternfly survey cells around New Boston checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so New Boston's 718 acres read through its county's SSURGO summaryfrom Scioto County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Scioto County
- The growing challenges every Ohio grower plans around — written at state scale, so they stay on the state guidefrom Ohio
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Scioto County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among New Boston's 718 acreswhy one lot differs from the next →
- Which side of New Boston you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 718 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 New Boston-wide figureread your own land →