Atlantic Mine, Michigan, sits in USDA hardiness zone 5b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
These conditions suit cabbage, cranberry, lavender, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Atlantic Mine, 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 Atlantic Mine 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 Atlantic Mine — soil, climate, flood, and parcel records. How we handle your address.
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Atlantic Mine — the short answer
Atlantic Mine, Michigan: USDA zone 5b, about 170 days between hard freezes, across 705 acres of town.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 19
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~170
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 705 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 5b is Atlantic Mine's average, not your lot's — a low corner or a tree line moves it. Against Atlantic Mine's 170-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Atlantic Mine
Each reading below is measured for Atlantic Mine itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAtlantic Mine runs about 170 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
MeasuredAtlantic Mine sits in USDA hardiness zone 5b.
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 Atlantic Mine is in
Atlantic Mine sits in the Northern Lakes and Forests — EPA Level III, inside the wider Northern Forests. That is read at Atlantic Mine's own centroid rather than borrowed from Houghton County.
What Grows in Atlantic Mine
Every plant below cleared Atlantic Mine's own zone 5b and its 170-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Atlantic Mine?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 19 — long-season crops need about 90 days of runway, quick greens only 30. Late in the year the fall bench takes over — quick greens, radishes, and garlic that repays you next summer.
What's on the federal record near Atlantic Mine
Closest first, within ~10 miles of Atlantic Mine. Listing isn't leaking, and distance isn't exposure.
- RANGE AUTO BODYBrownfields · 1400 ft
- Atlantic MineMining · 1500 ft
- E.b Holman SchoolUnderground Storage Tanks · 1600 ft
- AtlanticMining · 1800 ft
- Atlantic AmygdaloidMining · 1800 ft
- Pacific ExplorationMining · 0.5 mi
- DANS AUTO SALES AND POLARISBrownfields · 0.6 mi
- THOMAS J MOYLE INCBrownfields · 0.7 mi
- Former General StoreUnderground Storage Tanks · 0.7 mi
- MATTS AUTO GLASS INCBrownfields · 1.0 mi
- Naumkeag MineMining · 1.5 mi
- Kmart #9583Underground Storage Tanks · 1.5 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Atlantic Mine'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 Atlantic Mine.
Total Sites
284
within ~10 miles of Atlantic Mine
Risk Level
Elevated
Highest-severity
12 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Atlantic Mine
Severity Distribution
within ~10 miles of Atlantic Mine
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Atlantic Mine, two things run higher than the national average within ~10 miles of Atlantic Mine — Mining (72 sites) and Superfund (12 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Mining: Mining sites — both historic and active — can leach heavy metals (arsenic, lead, cadmium, mercury) into soil and water for centuries after operations cease.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Test soil for heavy metals (lead, arsenic, cadmium, mercury) — this is essential near any mining site.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Atlantic Mine
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 Atlantic Mine average
Your land is one point inside Atlantic Mine
Everything above resolves to Atlantic Mine as a whole — one PHZM band and one 28°F frost record, read across 705 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 Atlantic Mine Average
Atlantic Mine Average
- ●USDA Zones 5b, averaged across Atlantic Mine
- ●One soil character for all of Atlantic Mine
- ●Frost dates read at Atlantic Mine's scale: May 2 to Oct 19
YOUR Parcel
- ✓Your exact zone, not Atlantic Mine's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Atlantic Mine
Pull a site-specific report for your exact address in Atlantic Mine, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Atlantic Mine averages can't show:
We read public map data around Atlantic Mine — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Atlantic Mine average
How we know this about Atlantic Mine
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 Atlantic Mine’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 Atlantic Mine
When does frost risk typically end in Atlantic Mine?
The last hard freeze (28°F) in Atlantic Mine typically lands around May 2, 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 23.
When is the first frost in Atlantic Mine?
The first hard freeze (28°F) in Atlantic Mine typically arrives around Oct 19, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 5, so the watching starts about Sep 19 — about 170 days after the spring freeze cleared.
How long is the growing season in Atlantic Mine?
Measured between 28°F hard freezes, Atlantic Mine sees about 170 frost-free days — roughly May 2 through Oct 19, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 23 to Oct 5, about 135 days.
Is the soil safe to grow vegetables in Atlantic Mine?
The federal record around Atlantic Mine is a meaningful one — 284 documented sites, mostly Brownfields entries (99), the nearest Brownfields record about 0.3 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 Atlantic Mine?
From about Sep 19 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 19 (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 19. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Atlantic Mine's scale — its 5b band and its 170-day season. Your yard writes its own version of Atlantic Mine'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 Atlantic Mine’s own scale
6 of the readings below were taken at Atlantic Mine's own scale — its own ~170-day season between 28°F freezes, the 705 acres it covers and 284 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Atlantic Mine's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Atlantic Mine's own 28°F hard-freeze dates, about May 2 and Oct 19 and the ~170-day span between themNOAA 1991–2020 Climate Normals
- 284 documented contamination sites on the federal record near Atlantic Mine, the closest Brownfields record about 0.3 miles out from the town centreFederal environmental registers
- Atlantic Mine's boundary and the 705 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~170-day seasonGrowable Ground crop-matching engine
- The ecoregion at Atlantic Mine's own centroid, the Northern Lakes and ForestsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Atlantic Mine's 705 acres read through its county's SSURGO summaryfrom Houghton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Houghton 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 Houghton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Atlantic Mine's 705 acreswhy one lot differs from the next →
- Which side of Atlantic Mine you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 705 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.3 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 Atlantic Mine-wide figureread your own land →
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