Mount Pleasant, Michigan, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
These conditions suit cabbage, hazelnut, lavender, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.
Even in Mount Pleasant, 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 Pleasant 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 Pleasant — soil, climate, flood, and parcel records. How we handle your address.
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Mount Pleasant — the short answer
Mount Pleasant, Michigan: USDA zone 6a, about 189 days between hard freezes, across 5K acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 26
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~189
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 5K 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 Mount Pleasant's average, not your lot's — a low corner or a tree line moves it. Against Mount Pleasant's 189-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mount Pleasant
Each reading below is measured for Mount Pleasant itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMount Pleasant runs about 189 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
MeasuredMount Pleasant 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 Mount Pleasant is in
Mount Pleasant sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mount Pleasant's own centroid rather than borrowed from Isabella County.
What Grows in Mount Pleasant
Every plant below cleared Mount Pleasant's own zone 6a and its 189-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Mount Pleasant?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Mar 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 20 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 26 — 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 Mount Pleasant
Survey cells within 31 miles of Mount Pleasant checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 101 miles off. What to watch for.
What's on the federal record near Mount Pleasant
Closest first, within ~10 miles of Mount Pleasant. Listing isn't leaking, and distance isn't exposure.
- STUDENT BOOK EXCHANGE COBrownfields · 1200 ft
- Central Michigan UniversityUnderground Storage Tanks · 1400 ft
- Grounds South Service GarageUnderground Storage Tanks · 1800 ft
- Gte North IncUnderground Storage Tanks · 2100 ft
- Mt. Pleasant High St. EZ MartUnderground Storage Tanks · 2200 ft
- Sandels Service IncUnderground Storage Tanks · 2200 ft
- BLODGETT OIL CO - SHELL 32Brownfields · 2200 ft
- Crisis Center IncUnderground Storage Tanks · 2200 ft
- AUTOZONE INCBrownfields · 2300 ft
- MILLERS QUALITY CLEANERSBrownfields · 2300 ft
- Next Door Store #5010Underground Storage Tanks · 2300 ft
- Next Door Store #1071Underground Storage Tanks · 2500 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Mount Pleasant'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 Pleasant.
Total Sites
308
within ~10 miles of Mount Pleasant
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Mount Pleasant
Severity Distribution
within ~10 miles of Mount Pleasant
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Mount Pleasant, PFAS runs higher than the national average — 3 sites within ~10 miles of Mount Pleasant. That's not a problem with your land — it's information about it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Mount Pleasant
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 Pleasant average
Your land is one point inside Mount Pleasant
Everything above resolves to Mount Pleasant as a whole — one PHZM band and one 28°F frost record, read across 5K 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 Pleasant Average
Mount Pleasant Average
- ●USDA Zones 6a, averaged across Mount Pleasant
- ●One soil character for all of Mount Pleasant
- ●Frost dates read at Mount Pleasant's scale: Apr 20 to Oct 26
YOUR Parcel
- ✓Your exact zone, not Mount Pleasant's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mount Pleasant
Pull a site-specific report for your exact address in Mount Pleasant, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mount Pleasant averages can't show:
We read public map data around Mount Pleasant — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mount Pleasant average
How we know this about Mount Pleasant
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 Pleasant’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 Pleasant
When does frost risk typically end in Mount Pleasant?
The last hard freeze (28°F) in Mount Pleasant typically lands around Apr 20, 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 11.
When is the first frost in Mount Pleasant?
The first hard freeze (28°F) in Mount Pleasant typically arrives around Oct 26, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 12, so the watching starts about Sep 26 — about 189 days after the spring freeze cleared.
How long is the growing season in Mount Pleasant?
Measured between 28°F hard freezes, Mount Pleasant sees about 189 frost-free days — roughly Apr 20 through Oct 26, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 11 to Oct 12, about 154 days.
Is the soil safe to grow vegetables in Mount Pleasant?
The federal record around Mount Pleasant is a meaningful one — 308 documented sites, mostly Underground Storage Tanks entries (163), the nearest Brownfields record about 0.2 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 Pleasant?
From about Sep 26 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 26 (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 26. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mount Pleasant's scale — its 6a band and its 189-day season. Your yard writes its own version of Mount Pleasant'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 Pleasant’s own scale
7 of the readings below were taken at Mount Pleasant's own scale — its own ~189-day season between 28°F freezes, the 4,942 acres it covers and 308 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mount Pleasant's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Mount Pleasant's own 28°F hard-freeze dates, about Apr 20 and Oct 26 and the ~189-day span between themNOAA 1991–2020 Climate Normals
- 308 documented contamination sites on the federal record near Mount Pleasant, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Mount Pleasant's boundary and the 4,942 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~189-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mount Pleasant's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Mount Pleasant 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 Mount Pleasant's 4,942 acres read through its county's SSURGO summaryfrom Isabella County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Isabella 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 Isabella County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mount Pleasant's 4,942 acreswhy one lot differs from the next →
- Which side of Mount Pleasant you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 4,942 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.2 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 Pleasant-wide figureread your own land →
More in Michigan
Wider growing context
What grows across MichiganMount Pleasant sits outside our named growing regions, so Michigan as a whole is its closest context here.
Nearby growing guides