Mount Clemens, Michigan, sits in USDA hardiness zone 6b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
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 Mount Clemens, 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 Mount Clemens 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 Mount Clemens — soil, climate, flood, and parcel records. How we handle your address.
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Mount Clemens — the short answer
Mount Clemens, Michigan: USDA zone 6b, about 210 days between hard freezes, across 3K acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 12
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 8
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~210
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City 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 Mount Clemens's average, not your lot's — a low corner or a tree line moves it. Against Mount Clemens's 210-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mount Clemens
Each reading below is measured for Mount Clemens itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMount Clemens runs about 210 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
MeasuredMount Clemens 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 Mount Clemens is in
Mount Clemens sits in the Huron/Erie Lake Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mount Clemens's own centroid rather than borrowed from Macomb County.
What Grows in Mount Clemens
Every plant below cleared Mount Clemens's own zone 6b and its 210-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Mount Clemens?
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 15; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 12 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 8 — 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 Mount Clemens
Spotted lanternfly documented 21 miles from Mount Clemens, first recorded 2022. What to watch for.
What's on the federal record near Mount Clemens
Closest first, within ~10 miles of Mount Clemens. Listing isn't leaking, and distance isn't exposure.
- Mt Clemens High SchoolUnderground Storage Tanks · 600 ft
- Clinton Twnshp. Fire Dept.Underground Storage Tanks · 800 ft
- Metro Car & Truck WashUnderground Storage Tanks · 800 ft
- Johns LumberUnderground Storage Tanks · 800 ft
- St. Peter ChurchUnderground Storage Tanks · 1000 ft
- City Parking Lot / City of Mt ClemensUnderground Storage Tanks · 1000 ft
- Marathon Unit #2762Underground Storage Tanks · 1000 ft
- Lemieux Plumbing & Specialties IncUnderground Storage Tanks · 1000 ft
- Elks ClubUnderground Storage Tanks · 1000 ft
- COUNTY OF MACOMBBrownfields · 1100 ft
- Central Campus Construction ProjectUnderground Storage Tanks · 1100 ft
- BSC INVESTMENTS LLCBrownfields · 1100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Mount Clemens'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 Mount Clemens.
Total Sites
2,455
within ~10 miles of Mount Clemens
Risk Level
Elevated
Highest-severity
20 Superfund sites
Sources Checked
within ~10 miles of Mount Clemens
Severity Distribution
within ~10 miles of Mount Clemens
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Mount Clemens, Brownfields runs higher than the national average — 1,378 sites within ~10 miles of Mount Clemens. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.
Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.
Check your specific parcel in Mount Clemens
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 Mount Clemens average
Your land is one point inside Mount Clemens
Everything above resolves to Mount Clemens 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 city 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 Mount Clemens Average
Mount Clemens Average
- ●USDA Zones 6b, averaged across Mount Clemens
- ●One soil character for all of Mount Clemens
- ●Frost dates read at Mount Clemens's scale: Apr 12 to Nov 8
YOUR Parcel
- ✓Your exact zone, not Mount Clemens's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mount Clemens
Pull a site-specific report for your exact address in Mount Clemens, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mount Clemens averages can't show:
We read public map data around Mount Clemens — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mount Clemens average
How we know this about Mount Clemens
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Mount Clemens’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 city grain anywhere on this page — there is no city-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 Mount Clemens
When does frost risk typically end in Mount Clemens?
The last hard freeze (28°F) in Mount Clemens typically lands around Apr 12, 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 3.
When is the first frost in Mount Clemens?
The first hard freeze (28°F) in Mount Clemens typically arrives around Nov 8, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 25, so the watching starts about Oct 9 — about 210 days after the spring freeze cleared.
How long is the growing season in Mount Clemens?
Measured between 28°F hard freezes, Mount Clemens sees about 210 frost-free days — roughly Apr 12 through Nov 8, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 3 to Oct 25, about 175 days.
Is the soil safe to grow vegetables in Mount Clemens?
The federal record around Mount Clemens is a meaningful one — 2,455 documented sites, mostly Brownfields entries (1,378), the nearest Underground Storage Tanks record about 0.1 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 Mount Clemens?
From about Oct 9 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 8 (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 8. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mount Clemens's scale — its 6b band and its 210-day season. Your yard writes its own version of Mount Clemens'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 Mount Clemens’s own scale
7 of the readings below were taken at Mount Clemens's own scale — its own ~210-day season between 28°F freezes, the 2,620 acres it covers and 2,455 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mount Clemens's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Mount Clemens's own 28°F hard-freeze dates, about Apr 12 and Nov 8 and the ~210-day span between themNOAA 1991–2020 Climate Normals
- 2,455 documented contamination sites on the federal record near Mount Clemens, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Mount Clemens's boundary and the 2,620 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~210-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mount Clemens's own centroid, the Huron/Erie Lake PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Mount Clemenslydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Mount Clemens's 2,620 acres read through its county's SSURGO summaryfrom Macomb County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Macomb 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 Macomb County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mount Clemens's 2,620 acreswhy one lot differs from the next →
- Which side of Mount Clemens you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,620 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Mount Clemens-wide figureread your own land →