New Marshfield, Ohio, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
These conditions suit cabbage, blackberry, 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 Marshfield, 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 Marshfield 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 Marshfield — soil, climate, flood, and parcel records. How we handle your address.
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New Marshfield — the short answer
New Marshfield, Ohio: USDA zone 6b, about 195 days between hard freezes, across 251 acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~195
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 251 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 6b is New Marshfield's average, not your lot's — a low corner or a tree line moves it. Against New Marshfield's 195-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in New Marshfield
Each reading below is measured for New Marshfield itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredNew Marshfield runs about 195 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredNew Marshfield sits in USDA hardiness zone 6b.
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 Marshfield is in
New Marshfield sits in the Western Allegheny Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at New Marshfield's own centroid rather than borrowed from Athens County.
What Grows in New Marshfield
Every plant below cleared New Marshfield's own zone 6b and its 195-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in New Marshfield?
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 16; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 25 — long-season crops need about 90 days of runway, quick greens only 30. The tail of the season still works: sixty-day crops into late summer, quick greens after, garlic last of all.
What's on the federal record near New Marshfield
Closest first, within ~10 miles of New Marshfield. Listing isn't leaking, and distance isn't exposure.
- FAITH BUILT EXPRESSBrownfields · 1.4 mi
- ALEXANDER MIDDLE SCHOOLUnderground Storage Tanks · 2.6 mi
- BILLY'S DEMOLITIONBrownfields · 2.9 mi
- ODNR WATERLOO W E SUnderground Storage Tanks · 3.2 mi
- WOUB-TV/FM TRANSMITTERBrownfields · 3.7 mi
- MCKEE AUTO PARTSBrownfields · 3.9 mi
- ATHENS COUNTY BOARD OF DDBrownfields · 4.2 mi
- TRI COUNTY JVSUnderground Storage Tanks · 4.3 mi
- SUNDOWN GARAGEBrownfields · 4.3 mi
- TS TRIM INDUSTRIES INC *Toxics Release Inventory · 4.3 mi
- TS TRIM INDUSTRIES INC *Brownfields · 4.3 mi
- UNITED PARCEL SERVICE INCBrownfields · 4.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from New Marshfield'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 Marshfield.
Total Sites
215
within ~10 miles of New Marshfield
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of New Marshfield
Severity Distribution
within ~10 miles of New Marshfield
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around New Marshfield, PFAS runs higher than the national average — 3 sites within ~10 miles of New Marshfield. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in New Marshfield
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 Marshfield average
Your land is one point inside New Marshfield
Everything above resolves to New Marshfield as a whole — one PHZM band and one 28°F frost record, read across 251 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 Marshfield Average
New Marshfield Average
- ●USDA Zones 6b, averaged across New Marshfield
- ●One soil character for all of New Marshfield
- ●Frost dates read at New Marshfield's scale: Apr 13 to Oct 25
YOUR Parcel
- ✓Your exact zone, not New Marshfield's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in New Marshfield
Pull a site-specific report for your exact address in New Marshfield, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that New Marshfield averages can't show:
We read public map data around New Marshfield — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the New Marshfield average
How we know this about New Marshfield
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 Marshfield’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 Marshfield
When does frost risk typically end in New Marshfield?
The last hard freeze (28°F) in New Marshfield typically lands around Apr 13, 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 May 4.
When is the first frost in New Marshfield?
The first hard freeze (28°F) in New Marshfield typically arrives around Oct 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 11, so the watching starts about Sep 25 — about 195 days after the spring freeze cleared.
How long is the growing season in New Marshfield?
Measured between 28°F hard freezes, New Marshfield sees about 195 frost-free days — roughly Apr 13 through Oct 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 4 to Oct 11, about 160 days.
Is the soil safe to grow vegetables in New Marshfield?
The federal record around New Marshfield is a meaningful one — 215 documented sites, mostly Underground Storage Tanks entries (110), the nearest Brownfields record about 1.4 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 New Marshfield?
From about Sep 25 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 Oct 25 (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 Oct 25. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at New Marshfield's scale — its 6b band and its 195-day season. Your yard writes its own version of New Marshfield'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 Marshfield’s own scale
6 of the readings below were taken at New Marshfield's own scale — its own ~195-day season between 28°F freezes, the 251 acres it covers and 215 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- New Marshfield's own USDA hardiness band, zones 6bUSDA PHZM 2023
- New Marshfield's own 28°F hard-freeze dates, about Apr 13 and Oct 25 and the ~195-day span between themNOAA 1991–2020 Climate Normals
- 215 documented contamination sites on the federal record near New Marshfield, the closest Brownfields record about 1.4 miles out from the town centreFederal environmental registers
- New Marshfield's boundary and the 251 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~195-day seasonGrowable Ground crop-matching engine
- The ecoregion at New Marshfield's own centroid, the Western Allegheny PlateauUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so New Marshfield's 251 acres read through its county's SSURGO summaryfrom Athens County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Athens 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 Athens County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among New Marshfield's 251 acreswhy one lot differs from the next →
- Which side of New Marshfield you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 251 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 1.4 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 New Marshfield-wide figureread your own land →
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