Minster, Ohio, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Minster, 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 Minster 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 Minster — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Minster — the short answer
Minster, Ohio: USDA zone 6a, about 208 days between hard freezes, across 1K acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 8
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~208
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 Minster's average, not your lot's — a low corner or a tree line moves it. Against Minster's 208-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Minster
Each reading below is measured for Minster itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredMinster runs about 208 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
MeasuredMinster 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 Minster is in
Minster sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Minster's own centroid rather than borrowed from Auglaize County.
What Grows in Minster
Every plant below cleared Minster's own zone 6a and its 208-day season. Each card opens that plant's Ohio profile. How we score.






























Is it too late to plant in Minster?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 8 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 2 — 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 Minster
Survey cells within 31 miles of Minster checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 43 miles off. What to watch for.
What's on the federal record near Minster
Closest first, within ~10 miles of Minster. Listing isn't leaking, and distance isn't exposure.
- VILLAGE OF MINSTERUnderground Storage Tanks · 300 ft
- BRINKMAN SERVICE CENTERUnderground Storage Tanks · 550 ft
- BOB PRENGER AUTO SERVICEUnderground Storage Tanks · 700 ft
- TRADEMARK DESIGNS INCBrownfields · 1100 ft
- FRANK MORSEY & SONS, INC.Underground Storage Tanks · 1200 ft
- MINSTER MARATHONUnderground Storage Tanks · 1300 ft
- MINSTER MACHINE COToxics Release Inventory · 1500 ft
- MINSTER MACHINE COBrownfields · 1500 ft
- POST PRINTING COBrownfields · 1700 ft
- POST PRINTING CO.Underground Storage Tanks · 1700 ft
- MIDWEST MANUFACTURING & LOGISTICS LLC DBA THE C.A. LAWTON COBrownfields · 1800 ft
- MIDWEST MANUFACTURING & LOGISTICS LLC DBA THE C.A. LAWTON COToxics Release Inventory · 1800 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Minster'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 Minster.
Total Sites
129
within ~10 miles of Minster
Risk Level
Moderate
Highest-severity
14 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Minster
Severity Distribution
within ~10 miles of Minster
Highest-Severity Sites

A note from Gnorman
What an experienced grower watches for around here
In and around Minster, Toxics Release Inventory runs higher than the national average — 14 sites within ~10 miles of Minster. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Minster
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 Minster average
Your land is one point inside Minster
Everything above resolves to Minster as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Minster Average
Minster Average
- ●USDA Zones 6a, averaged across Minster
- ●One soil character for all of Minster
- ●Frost dates read at Minster's scale: Apr 8 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Minster's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Minster
Pull a site-specific report for your exact address in Minster, Ohio — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Minster averages can't show:
We read public map data around Minster — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Minster average
How we know this about Minster
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 Minster’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 Minster
When does frost risk typically end in Minster?
The last hard freeze (28°F) in Minster typically lands around Apr 8, 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 29.
When is the first frost in Minster?
The first hard freeze (28°F) in Minster typically arrives around Nov 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 19, so the watching starts about Oct 3 — about 208 days after the spring freeze cleared.
How long is the growing season in Minster?
Measured between 28°F hard freezes, Minster sees about 208 frost-free days — roughly Apr 8 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 29 to Oct 19, about 173 days.
Is the soil safe to grow vegetables in Minster?
The federal record around Minster shows 129 documented sites, mostly Underground Storage Tanks entries (68), the nearest Underground Storage Tanks record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Minster?
From about Oct 3 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 2 (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 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Minster's scale — its 6a band and its 208-day season. Your yard writes its own version of Minster'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 Minster’s own scale
7 of the readings below were taken at Minster's own scale — its own ~208-day season between 28°F freezes, the 1,375 acres it covers and 129 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Minster's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Minster's own 28°F hard-freeze dates, about Apr 8 and Nov 2 and the ~208-day span between themNOAA 1991–2020 Climate Normals
- 129 documented contamination sites on the federal record near Minster, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Minster's boundary and the 1,375 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~208-day seasonGrowable Ground crop-matching engine
- The ecoregion at Minster's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Minster 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 Minster's 1,375 acres read through its county's SSURGO summaryfrom Auglaize County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Auglaize 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 Auglaize County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Minster's 1,375 acreswhy one lot differs from the next →
- Which side of Minster you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,375 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 Minster-wide figureread your own land →
More in Ohio
Wider growing context
What grows across OhioMinster sits outside our named growing regions, so Ohio as a whole is its closest context here.
Nearby growing guides
