Fair Plain, Michigan, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Reliable performers under these conditions include cabbage, hazelnut, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Fair Plain, 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 Fair Plain 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 Fair Plain — soil, climate, flood, and parcel records. How we handle your address.
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Fair Plain — the short answer
Fair Plain, Michigan: USDA zone 6b, about 206 days between hard freezes, across 3K acres of town.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~206
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K 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 Fair Plain's average, not your lot's — a low corner or a tree line moves it. Against Fair Plain's 206-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Fair Plain
Each reading below is measured for Fair Plain itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFair Plain runs about 206 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
MeasuredFair Plain 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 Fair Plain is in
Fair Plain sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Fair Plain's own centroid rather than borrowed from Berrien County.
What Grows in Fair Plain
Every plant below cleared Fair Plain's own zone 6b and its 206-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Fair Plain?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — 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 Fair Plain
Survey cells within 31 miles of Fair Plain checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 34 miles off. What to watch for.
What's on the federal record near Fair Plain
Closest first, within ~10 miles of Fair Plain. Listing isn't leaking, and distance isn't exposure.
- Fire Station #2Underground Storage Tanks · 2000 ft
- ADVANCE AUTO PARTSBrownfields · 2100 ft
- Former Varsity TrucksUnderground Storage Tanks · 2100 ft
- Singh Self Service #2Underground Storage Tanks · 2100 ft
- MICHIGAN GAS UTILITIESBrownfields · 0.7 mi
- Jewell Electric CoUnderground Storage Tanks · 0.7 mi
- Bentor Harbor TransportationUnderground Storage Tanks · 0.8 mi
- FIRST STUDENT INCBrownfields · 0.8 mi
- Berrien Hills Maintenance BarnUnderground Storage Tanks · 0.9 mi
- Total Retail #2750Underground Storage Tanks · 0.9 mi
- BELLE TIRE DISTRIBUTORS INCBrownfields · 0.9 mi
- AUTO PARTS CENTER INCBrownfields · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Fair Plain'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 Fair Plain.
Sources Checked
within ~10 miles of Fair Plain
Severity Distribution
within ~10 miles of Fair Plain
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Fair Plain, two things run higher than the national average within ~10 miles of Fair Plain — Superfund (13 sites) and Toxics Release Inventory (49 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Fair Plain
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 Fair Plain average
Your land is one point inside Fair Plain
Everything above resolves to Fair Plain as a whole — one PHZM band and one 28°F frost record, read across 3K 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 Fair Plain Average
Fair Plain Average
- ●USDA Zones 6b, averaged across Fair Plain
- ●One soil character for all of Fair Plain
- ●Frost dates read at Fair Plain's scale: Apr 15 to Nov 7
YOUR Parcel
- ✓Your exact zone, not Fair Plain's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Fair Plain
Pull a site-specific report for your exact address in Fair Plain, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Fair Plain averages can't show:
We read public map data around Fair Plain — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Fair Plain average
How we know this about Fair Plain
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 Fair Plain’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 Fair Plain
When does frost risk typically end in Fair Plain?
The last hard freeze (28°F) in Fair Plain typically lands around Apr 15, 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 6.
When is the first frost in Fair Plain?
The first hard freeze (28°F) in Fair Plain typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 206 days after the spring freeze cleared.
How long is the growing season in Fair Plain?
Measured between 28°F hard freezes, Fair Plain sees about 206 frost-free days — roughly Apr 15 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 6 to Oct 24, about 171 days.
Is the soil safe to grow vegetables in Fair Plain?
The federal record around Fair Plain is a meaningful one — 631 documented sites, mostly Underground Storage Tanks entries (312), the nearest Underground Storage Tanks record about 0.4 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 Fair Plain?
From about Oct 8 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 7 (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 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Fair Plain's scale — its 6b band and its 206-day season. Your yard writes its own version of Fair Plain'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 Fair Plain’s own scale
7 of the readings below were taken at Fair Plain's own scale — its own ~206-day season between 28°F freezes, the 2,750 acres it covers and 631 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Fair Plain's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Fair Plain's own 28°F hard-freeze dates, about Apr 15 and Nov 7 and the ~206-day span between themNOAA 1991–2020 Climate Normals
- 631 documented contamination sites on the federal record near Fair Plain, the closest Underground Storage Tanks record about 0.4 miles out from the town centreFederal environmental registers
- Fair Plain's boundary and the 2,750 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~206-day seasonGrowable Ground crop-matching engine
- The ecoregion at Fair Plain's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Fair Plain 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 Fair Plain's 2,750 acres read through its county's SSURGO summaryfrom Berrien County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Berrien 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 Berrien County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Fair Plain's 2,750 acreswhy one lot differs from the next →
- Which side of Fair Plain you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,750 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.4 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 Fair Plain-wide figureread your own land →