Perrinton, Michigan, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Growers here do well with cabbage, hazelnut, lavender, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Perrinton, 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 Perrinton 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 Perrinton — soil, climate, flood, and parcel records. How we handle your address.
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Perrinton — the short answer
Perrinton, Michigan: USDA zone 6a, about 183 days between hard freezes, across 404 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~183
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 404 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 Perrinton's average, not your lot's — a low corner or a tree line moves it. Against Perrinton's 183-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Perrinton
Each reading below is measured for Perrinton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredPerrinton runs about 183 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
MeasuredPerrinton 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 Perrinton is in
Perrinton sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Perrinton's own centroid rather than borrowed from Gratiot County.
What Grows in Perrinton
Every plant below cleared Perrinton's own zone 6a and its 183-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Perrinton?
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 26; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 23 — 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.
Documented around Perrinton
Survey cells within 31 miles of Perrinton 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 Perrinton
Closest first, within ~10 miles of Perrinton. Listing isn't leaking, and distance isn't exposure.
- Perrinton TotalUnderground Storage Tanks · 500 ft
- Williams GarageUnderground Storage Tanks · 800 ft
- Whitfords ServiceUnderground Storage Tanks · 800 ft
- Frank R BiddingerUnderground Storage Tanks · 800 ft
- Klein Fertilizers, IncUnderground Storage Tanks · 1000 ft
- Iler Exc.Underground Storage Tanks · 2000 ft
- CUSTOM CAR CAREBrownfields · 0.8 mi
- MacUnderground Storage Tanks · 1.4 mi
- Middleton EZ MartUnderground Storage Tanks · 1.4 mi
- Middleton Car Care CenterUnderground Storage Tanks · 1.5 mi
- JIMS BODY SHOPBrownfields · 1.5 mi
- Shady Nook FarmsUnderground Storage Tanks · 1.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Perrinton'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 Perrinton.
Total Sites
149
within ~10 miles of Perrinton
Risk Level
Moderate
Highest-severity
3 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Perrinton
Severity Distribution
within ~10 miles of Perrinton
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 Perrinton
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 Perrinton average
Your land is one point inside Perrinton
Everything above resolves to Perrinton as a whole — one PHZM band and one 28°F frost record, read across 404 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 Perrinton Average
Perrinton Average
- ●USDA Zones 6a, averaged across Perrinton
- ●One soil character for all of Perrinton
- ●Frost dates read at Perrinton's scale: Apr 23 to Oct 23
YOUR Parcel
- ✓Your exact zone, not Perrinton's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Perrinton
Pull a site-specific report for your exact address in Perrinton, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Perrinton averages can't show:
We read public map data around Perrinton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Perrinton average
How we know this about Perrinton
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 Perrinton’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 Perrinton
When does frost risk typically end in Perrinton?
The last hard freeze (28°F) in Perrinton typically lands around Apr 23, 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 14.
When is the first frost in Perrinton?
The first hard freeze (28°F) in Perrinton typically arrives around Oct 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 9, so the watching starts about Sep 23 — about 183 days after the spring freeze cleared.
How long is the growing season in Perrinton?
Measured between 28°F hard freezes, Perrinton sees about 183 frost-free days — roughly Apr 23 through Oct 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 14 to Oct 9, about 148 days.
Is the soil safe to grow vegetables in Perrinton?
The federal record around Perrinton shows 149 documented sites, mostly Underground Storage Tanks entries (91), 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 Perrinton?
From about Sep 23 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Perrinton's scale — its 6a band and its 183-day season. Your yard writes its own version of Perrinton'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 Perrinton’s own scale
7 of the readings below were taken at Perrinton's own scale — its own ~183-day season between 28°F freezes, the 404 acres it covers and 149 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Perrinton's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Perrinton's own 28°F hard-freeze dates, about Apr 23 and Oct 23 and the ~183-day span between themNOAA 1991–2020 Climate Normals
- 149 documented contamination sites on the federal record near Perrinton, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Perrinton's boundary and the 404 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~183-day seasonGrowable Ground crop-matching engine
- The ecoregion at Perrinton's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Perrinton 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 Perrinton's 404 acres read through its county's SSURGO summaryfrom Gratiot County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Gratiot County
- The growing challenges every Michigan grower plans around — written at state scale, so they stay on the state guidefrom Michigan
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Gratiot County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Perrinton's 404 acreswhy one lot differs from the next →
- Which side of Perrinton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 404 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 Perrinton-wide figureread your own land →
More in Michigan
Wider growing context
What grows across MichiganPerrinton sits outside our named growing regions, so Michigan as a whole is its closest context here.
Nearby growing guides