Fountain, Michigan, sits in USDA hardiness zone 6a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
Well-matched crops include cabbage, blackberry, california poppy, and collard greens, and the gap between "grows in the area" and "grows in your yard" is closed by soil, sun, and drainage.
Even in Fountain, 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 Fountain 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 Fountain — soil, climate, flood, and parcel records. How we handle your address.
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Fountain — the short answer
Fountain, Michigan: USDA zone 6a, about 172 days between hard freezes, across 656 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- May 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~172
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 656 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 Fountain's average, not your lot's — a low corner or a tree line moves it. Against Fountain's 172-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Fountain
Each reading below is measured for Fountain itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFountain runs about 172 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
MeasuredFountain 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 Fountain is in
Fountain sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Fountain's own centroid rather than borrowed from Mason County.
What Grows in Fountain
Every plant below cleared Fountain's own zone 6a and its 172-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Fountain?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Apr 3; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near May 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 20 — long-season crops need about 90 days of runway, quick greens only 30. As the window narrows, the plantings just get faster — fall brassicas, then greens, then garlic to finish.
What's on the federal record near Fountain
Closest first, within ~10 miles of Fountain. Listing isn't leaking, and distance isn't exposure.
- Village ServiceUnderground Storage Tanks · 1100 ft
- Fountain Child Development CtrUnderground Storage Tanks · 1100 ft
- Fountain MktUnderground Storage Tanks · 1300 ft
- Corkys Total ServiceUnderground Storage Tanks · 0.5 mi
- McCormicks Sawmill IncUnderground Storage Tanks · 0.6 mi
- Joseph W MickevichUnderground Storage Tanks · 0.7 mi
- Reynolds Boxes IncUnderground Storage Tanks · 2.0 mi
- MI DEPT/CORRECTIONSBrownfields · 4.0 mi
- Camp SaubleUnderground Storage Tanks · 4.0 mi
- Teri's Freesoil EZ Mart LLCUnderground Storage Tanks · 4.4 mi
- Free Soil Community School DistUnderground Storage Tanks · 4.4 mi
- Savich Wood ProductsUnderground Storage Tanks · 4.6 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Fountain'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 Fountain.
Total Sites
69
within ~10 miles of Fountain
Risk Level
Moderate
Highest-severity
2 Toxics Release Inventory facilities
Sources Checked
within ~10 miles of Fountain
Severity Distribution
within ~10 miles of Fountain
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Fountain, Underground Storage Tanks runs higher than the national average — 53 sites within ~10 miles of Fountain. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Fountain
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 Fountain average
Your land is one point inside Fountain
Everything above resolves to Fountain as a whole — one PHZM band and one 28°F frost record, read across 656 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 Fountain Average
Fountain Average
- ●USDA Zones 6a, averaged across Fountain
- ●One soil character for all of Fountain
- ●Frost dates read at Fountain's scale: May 1 to Oct 20
YOUR Parcel
- ✓Your exact zone, not Fountain's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Fountain
Pull a site-specific report for your exact address in Fountain, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Fountain averages can't show:
We read public map data around Fountain — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Fountain average
How we know this about Fountain
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 Fountain’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 Fountain
When does frost risk typically end in Fountain?
The last hard freeze (28°F) in Fountain typically lands around May 1, 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 22.
When is the first frost in Fountain?
The first hard freeze (28°F) in Fountain typically arrives around Oct 20, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 6, so the watching starts about Sep 20 — about 172 days after the spring freeze cleared.
How long is the growing season in Fountain?
Measured between 28°F hard freezes, Fountain sees about 172 frost-free days — roughly May 1 through Oct 20, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 22 to Oct 6, about 137 days.
Is the soil safe to grow vegetables in Fountain?
The federal record around Fountain shows 69 documented sites, mostly Underground Storage Tanks entries (53), the nearest Underground Storage Tanks record about 0.2 miles out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Fountain?
From about Sep 20 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 20 (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 20. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Fountain's scale — its 6a band and its 172-day season. Your yard writes its own version of Fountain'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 Fountain’s own scale
6 of the readings below were taken at Fountain's own scale — its own ~172-day season between 28°F freezes, the 656 acres it covers and 69 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Fountain's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Fountain's own 28°F hard-freeze dates, about May 1 and Oct 20 and the ~172-day span between themNOAA 1991–2020 Climate Normals
- 69 documented contamination sites on the federal record near Fountain, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Fountain's boundary and the 656 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~172-day seasonGrowable Ground crop-matching engine
- The ecoregion at Fountain's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Fountain's 656 acres read through its county's SSURGO summaryfrom Mason County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Mason 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 Mason County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Fountain's 656 acreswhy one lot differs from the next →
- Which side of Fountain you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 656 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Fountain-wide figureread your own land →
More in Michigan
Wider growing context
What grows across MichiganFountain sits outside our named growing regions, so Michigan as a whole is its closest context here.
Nearby growing guides