Green Camp, Ohio, sits in USDA hardiness zone 6a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Crops well matched to these conditions include cabbage, hazelnut, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Green Camp, 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 Green Camp 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 Green Camp — soil, climate, flood, and parcel records. How we handle your address.
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Green Camp — the short answer
Green Camp, Ohio: USDA zone 6a, about 207 days between hard freezes, across 216 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 11
- 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
- ~207
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 216 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 6a is Green Camp's average, not your lot's — a low corner or a tree line moves it. Against Green Camp's 207-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Green Camp
Each reading below is measured for Green Camp itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredGreen Camp runs about 207 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
MeasuredGreen Camp sits in USDA hardiness zone 6a.
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 Green Camp is in
Green Camp sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Green Camp's own centroid rather than borrowed from Marion County.
What Grows in Green Camp
Every plant below cleared Green Camp's own zone 6a and its 207-day season. Each card opens that plant's Ohio profile. How we score.
Is it too late to plant in Green Camp?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 14; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 11 (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. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around Green Camp
Survey cells within 31 miles of Green Camp checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 38 miles off. What to watch for.
What's on the federal record near Green Camp
Closest first, within ~10 miles of Green Camp. Listing isn't leaking, and distance isn't exposure.
- GREEN CAMP PIT STOPUnderground Storage Tanks · 800 ft
- INTEGRITY AUTO REPAIR LLCBrownfields · 1400 ft
- ABBOTT'S AUTOBrownfields · 1600 ft
- PARKER HANNIFIN CORPORATIONToxics Release Inventory · 2500 ft
- MARION 95 EXPANSION (RT OF WAY)Underground Storage Tanks · 2500 ft
- COLUMBIA GAS TRANSMISSION CORPORATIONBrownfields · 2.2 mi
- RIALTO FARMSUnderground Storage Tanks · 2.6 mi
- SOFT TOUCH AUTO SPAUnderground Storage Tanks · 3.1 mi
- PLEASANT LOCAL SCHOOL DISTRICTUnderground Storage Tanks · 3.9 mi
- IVAX IND.Toxics Release Inventory · 3.9 mi
- MATTHEWS WALSTON MOTORS, INC.Underground Storage Tanks · 4.0 mi
- MARION CITY FIRE DEPTUnderground Storage Tanks · 4.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Green Camp'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 Green Camp.
Sources Checked
within ~10 miles of Green Camp
Severity Distribution
within ~10 miles of Green Camp
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Green Camp, two things run higher than the national average within ~10 miles of Green Camp — Toxics Release Inventory (29 sites) and Superfund (4 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Green Camp
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 Green Camp average
Your land is one point inside Green Camp
Everything above resolves to Green Camp as a whole — one PHZM band and one 28°F frost record, read across 216 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 Green Camp Average
Green Camp Average
- ●USDA Zones 6a, averaged across Green Camp
- ●One soil character for all of Green Camp
- ●Frost dates read at Green Camp's scale: Apr 11 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Green Camp's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Green Camp
Pull a site-specific report for your exact address in Green Camp, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Green Camp averages can't show:
We read public map data around Green Camp — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Green Camp average
How we know this about Green Camp
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 Green Camp’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 Green Camp
When does frost risk typically end in Green Camp?
The last hard freeze (28°F) in Green Camp typically lands around Apr 11, 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 2.
When is the first frost in Green Camp?
The first hard freeze (28°F) in Green Camp 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 207 days after the spring freeze cleared.
How long is the growing season in Green Camp?
Measured between 28°F hard freezes, Green Camp sees about 207 frost-free days — roughly Apr 11 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 2 to Oct 21, about 172 days.
Is the soil safe to grow vegetables in Green Camp?
The federal record around Green Camp is a meaningful one — 303 documented sites, mostly Underground Storage Tanks entries (136), the nearest Underground Storage Tanks record about 0.2 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 Green Camp?
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 Green Camp's scale — its 6a band and its 207-day season. Your yard writes its own version of Green Camp'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 Green Camp’s own scale
7 of the readings below were taken at Green Camp's own scale — its own ~207-day season between 28°F freezes, the 216 acres it covers and 303 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Green Camp's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Green Camp's own 28°F hard-freeze dates, about Apr 11 and Nov 4 and the ~207-day span between themNOAA 1991–2020 Climate Normals
- 303 documented contamination sites on the federal record near Green Camp, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Green Camp's boundary and the 216 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~207-day seasonGrowable Ground crop-matching engine
- The ecoregion at Green Camp's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Green Camp 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 Green Camp's 216 acres read through its county's SSURGO summaryfrom Marion County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Marion 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 Marion County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Green Camp's 216 acreswhy one lot differs from the next →
- Which side of Green Camp you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 216 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 Green Camp-wide figureread your own land →
More in Ohio
Wider growing context
What grows across OhioGreen Camp sits outside our named growing regions, so Ohio as a whole is its closest context here.
Nearby growing guides