Emmett, Michigan, sits in USDA hardiness zone 6a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Emmett, 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 Emmett 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 Emmett — soil, climate, flood, and parcel records. How we handle your address.
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Emmett — the short answer
Emmett, Michigan: USDA zone 6a, about 188 days between hard freezes, across 959 acres of town.
- 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 25
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~188
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 959 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 Emmett's average, not your lot's — a low corner or a tree line moves it. Against Emmett's 188-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Emmett
Each reading below is measured for Emmett itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredEmmett runs about 188 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
MeasuredEmmett 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 Emmett is in
Emmett sits in the Huron/Erie Lake Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Emmett's own centroid rather than borrowed from St. Clair County.
What Grows in Emmett
Every plant below cleared Emmett's own zone 6a and its 188-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Emmett?
Rarely: the season closes in stages, not all at once, and each stage has its crops. 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 25 — 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.
Documented around Emmett
Survey cells within 31 miles of Emmett checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 38 miles off. What to watch for.
What's on the federal record near Emmett
Closest first, within ~10 miles of Emmett. Listing isn't leaking, and distance isn't exposure.
- 07N14E36CCA 01 COM SAV BNitrate · 800 ft
- Formerly Scheible GarageUnderground Storage Tanks · 1400 ft
- SCHEIBLE GARAGEBrownfields · 1500 ft
- Emmett Fire DeptUnderground Storage Tanks · 1600 ft
- Daniel L. GreeniaUnderground Storage Tanks · 1800 ft
- Bisco'sUnderground Storage Tanks · 0.5 mi
- 06N14E01BCB 01 GEN TELNitrate · 0.7 mi
- 07N14E25CCD 01 KEEGAN, JNitrate · 0.9 mi
- SEMCO ENERGY GAS COBrownfields · 1.0 mi
- Sunrise Store #29Underground Storage Tanks · 1.1 mi
- 07N 14E 27AABC01 ST CLRNitrate · 2.0 mi
- 06N14E12DBB 01 DUNSMORENitrate · 2.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Emmett'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 Emmett.
Total Sites
188
within ~10 miles of Emmett
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Emmett
Severity Distribution
within ~10 miles of Emmett
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Emmett, Nitrate runs higher than the national average — 80 sites within ~10 miles of Emmett. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Emmett
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 Emmett average
Your land is one point inside Emmett
Everything above resolves to Emmett as a whole — one PHZM band and one 28°F frost record, read across 959 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 Emmett Average
Emmett Average
- ●USDA Zones 6a, averaged across Emmett
- ●One soil character for all of Emmett
- ●Frost dates read at Emmett's scale: Apr 20 to Oct 25
YOUR Parcel
- ✓Your exact zone, not Emmett's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Emmett
Pull a site-specific report for your exact address in Emmett, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Emmett averages can't show:
We read public map data around Emmett — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Emmett average
How we know this about Emmett
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 Emmett’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 Emmett
When does frost risk typically end in Emmett?
The last hard freeze (28°F) in Emmett 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 Emmett?
The first hard freeze (28°F) in Emmett typically arrives around Oct 25, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 11, so the watching starts about Sep 25 — about 188 days after the spring freeze cleared.
How long is the growing season in Emmett?
Measured between 28°F hard freezes, Emmett sees about 188 frost-free days — roughly Apr 20 through Oct 25, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 11 to Oct 11, about 153 days.
Is the soil safe to grow vegetables in Emmett?
The federal record around Emmett is a meaningful one — 188 documented sites, mostly Nitrate entries (80), the nearest Nitrate 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 Emmett?
From about Sep 25 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 25 (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 25. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Emmett's scale — its 6a band and its 188-day season. Your yard writes its own version of Emmett'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 Emmett’s own scale
7 of the readings below were taken at Emmett's own scale — its own ~188-day season between 28°F freezes, the 959 acres it covers and 188 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Emmett's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Emmett's own 28°F hard-freeze dates, about Apr 20 and Oct 25 and the ~188-day span between themNOAA 1991–2020 Climate Normals
- 188 documented contamination sites on the federal record near Emmett, the closest Nitrate record about 0.2 miles out from the town centreFederal environmental registers
- Emmett's boundary and the 959 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~188-day seasonGrowable Ground crop-matching engine
- The ecoregion at Emmett's own centroid, the Huron/Erie Lake PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Emmett 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 Emmett's 959 acres read through its county's SSURGO summaryfrom St. Clair County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom St. Clair 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 St. Clair County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Emmett's 959 acreswhy one lot differs from the next →
- Which side of Emmett you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 959 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Emmett-wide figureread your own land →
More in Michigan
Wider growing context
What grows across MichiganEmmett sits outside our named growing regions, so Michigan as a whole is its closest context here.