Edwardsburg, Michigan, 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 Edwardsburg, 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 Edwardsburg 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 Edwardsburg — soil, climate, flood, and parcel records. How we handle your address.
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Edwardsburg — the short answer
Edwardsburg, Michigan: USDA zone 6a, about 200 days between hard freezes, across 585 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 16
- 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
- ~200
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 585 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 Edwardsburg's average, not your lot's — a low corner or a tree line moves it. Against Edwardsburg's 200-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Edwardsburg
Each reading below is measured for Edwardsburg itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredEdwardsburg runs about 200 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
MeasuredEdwardsburg 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 Edwardsburg is in
Edwardsburg sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Edwardsburg's own centroid rather than borrowed from Cass County.
What Grows in Edwardsburg
Every plant below cleared Edwardsburg's own zone 6a and its 200-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Edwardsburg?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 19; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 16 (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. 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 Edwardsburg
Spotted lanternfly documented 7 miles from Edwardsburg, first recorded 2023. What to watch for.
What's on the federal record near Edwardsburg
Closest first, within ~10 miles of Edwardsburg. Listing isn't leaking, and distance isn't exposure.
- VILLAGE CUSTOM PAINT & BODY SHOP INCBrownfields · 400 ft
- Painter Lake (king) MarinaUnderground Storage Tanks · 800 ft
- H & H CleanersUnderground Storage Tanks · 950 ft
- Joint Fire Board Of EdwardsburgUnderground Storage Tanks · 1100 ft
- Former Service Oil CoUnderground Storage Tanks · 1800 ft
- Us-12 CitgoUnderground Storage Tanks · 2000 ft
- EDWARDSBURG PUBLIC SCHOOLBrownfields · 2200 ft
- High School Ind Arts BldgUnderground Storage Tanks · 2200 ft
- Transportation GarageUnderground Storage Tanks · 2200 ft
- S.o.c. MartUnderground Storage Tanks · 2300 ft
- Edwardsburg Marathon IncUnderground Storage Tanks · 2400 ft
- HESS MAE INCBrownfields · 0.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Edwardsburg'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 Edwardsburg.
Sources Checked
within ~10 miles of Edwardsburg
Severity Distribution
within ~10 miles of Edwardsburg
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Edwardsburg, two things run higher than the national average within ~10 miles of Edwardsburg — Toxics Release Inventory (150 sites) and Superfund (22 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 Edwardsburg
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 Edwardsburg average
Your land is one point inside Edwardsburg
Everything above resolves to Edwardsburg as a whole — one PHZM band and one 28°F frost record, read across 585 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 Edwardsburg Average
Edwardsburg Average
- ●USDA Zones 6a, averaged across Edwardsburg
- ●One soil character for all of Edwardsburg
- ●Frost dates read at Edwardsburg's scale: Apr 16 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Edwardsburg's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Edwardsburg
Pull a site-specific report for your exact address in Edwardsburg, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Edwardsburg averages can't show:
We read public map data around Edwardsburg — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Edwardsburg average
How we know this about Edwardsburg
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 Edwardsburg’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 Edwardsburg
When does frost risk typically end in Edwardsburg?
The last hard freeze (28°F) in Edwardsburg typically lands around Apr 16, 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 7.
When is the first frost in Edwardsburg?
The first hard freeze (28°F) in Edwardsburg 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 200 days after the spring freeze cleared.
How long is the growing season in Edwardsburg?
Measured between 28°F hard freezes, Edwardsburg sees about 200 frost-free days — roughly Apr 16 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 7 to Oct 19, about 165 days.
Is the soil safe to grow vegetables in Edwardsburg?
The federal record around Edwardsburg runs heavier than most — 1,406 documented sites, mostly Underground Storage Tanks entries (570), the nearest Brownfields record under a tenth of a mile out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in Edwardsburg?
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 Edwardsburg's scale — its 6a band and its 200-day season. Your yard writes its own version of Edwardsburg'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 Edwardsburg’s own scale
7 of the readings below were taken at Edwardsburg's own scale — its own ~200-day season between 28°F freezes, the 585 acres it covers and 1,406 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Edwardsburg's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Edwardsburg's own 28°F hard-freeze dates, about Apr 16 and Nov 2 and the ~200-day span between themNOAA 1991–2020 Climate Normals
- 1,406 documented contamination sites on the federal record near Edwardsburg, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Edwardsburg's boundary and the 585 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~200-day seasonGrowable Ground crop-matching engine
- The ecoregion at Edwardsburg's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Edwardsburglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Edwardsburg's 585 acres read through its county's SSURGO summaryfrom Cass County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Cass 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 Cass County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Edwardsburg's 585 acreswhy one lot differs from the next →
- Which side of Edwardsburg you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 585 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Edwardsburg-wide figureread your own land →
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