Saline, Michigan, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Reliable performers under these conditions include cabbage, hazelnut, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Saline, 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 Saline 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 Saline — soil, climate, flood, and parcel records. How we handle your address.
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Saline — the short answer
Saline, Michigan: USDA zone 6a, about 185 days between hard freezes, across 3K acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~185
- 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 6a is Saline's average, not your lot's — a low corner or a tree line moves it. Against Saline's 185-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Saline
Each reading below is measured for Saline itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSaline runs about 185 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
MeasuredSaline 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 Saline is in
Saline sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Saline's own centroid rather than borrowed from Washtenaw County.
What Grows in Saline
Every plant below cleared Saline's own zone 6a and its 185-day season. Each card opens that plant's Michigan profile. How we score.
Is it too late to plant in Saline?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 23 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
Documented around Saline
Survey cells within 31 miles of Saline checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 31 miles off. What to watch for.
What's on the federal record near Saline
Closest first, within ~10 miles of Saline. Listing isn't leaking, and distance isn't exposure.
- Saline Service CenterUnderground Storage Tanks · 1300 ft
- WOODWARD DETROIT CVS, LLCBrownfields · 1600 ft
- Harry ParsonsUnderground Storage Tanks · 1900 ft
- CAPITOL CLEANERSBrownfields · 2000 ft
- BUSCHS INCBrownfields · 2000 ft
- HOWARD CLEANERS INCBrownfields · 2200 ft
- M.d. Auto ServiceUnderground Storage Tanks · 2200 ft
- AUTOMATION INCBrownfields · 2200 ft
- SALINE LECTRONICS INCBrownfields · 2300 ft
- SALINE LECTRONICS INCToxics Release Inventory · 2300 ft
- Speedway #2329Underground Storage Tanks · 2300 ft
- SPEEDWAY LLCBrownfields · 2300 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Saline'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 Saline.
Sources Checked
within ~10 miles of Saline
Severity Distribution
within ~10 miles of Saline
Highest-Severity Sites
Know Before You Grow
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Saline
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 Saline average
Your land is one point inside Saline
Everything above resolves to Saline 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 Saline Average
Saline Average
- ●USDA Zones 6a, averaged across Saline
- ●One soil character for all of Saline
- ●Frost dates read at Saline's scale: Apr 21 to Oct 23
YOUR Parcel
- ✓Your exact zone, not Saline's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Saline
Pull a site-specific report for your exact address in Saline, Michigan — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Saline averages can't show:
We read public map data around Saline — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Saline average
How we know this about Saline
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 Saline’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 Saline
When does frost risk typically end in Saline?
The last hard freeze (28°F) in Saline typically lands around Apr 21, 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 12.
When is the first frost in Saline?
The first hard freeze (28°F) in Saline typically arrives around Oct 23, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 9, so the watching starts about Sep 23 — about 185 days after the spring freeze cleared.
How long is the growing season in Saline?
Measured between 28°F hard freezes, Saline sees about 185 frost-free days — roughly Apr 21 through Oct 23, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 12 to Oct 9, about 150 days.
Is the soil safe to grow vegetables in Saline?
The federal record around Saline is a meaningful one — 1,400 documented sites, mostly Brownfields entries (672), the nearest Underground Storage Tanks 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 Saline?
From about Sep 23 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 23 (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 23. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Saline's scale — its 6a band and its 185-day season. Your yard writes its own version of Saline'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 Saline’s own scale
7 of the readings below were taken at Saline's own scale — its own ~185-day season between 28°F freezes, the 2,774 acres it covers and 1,400 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Saline's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Saline's own 28°F hard-freeze dates, about Apr 21 and Oct 23 and the ~185-day span between themNOAA 1991–2020 Climate Normals
- 1,400 documented contamination sites on the federal record near Saline, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Saline's boundary and the 2,774 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~185-day seasonGrowable Ground crop-matching engine
- The ecoregion at Saline's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Saline 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 Saline's 2,774 acres read through its county's SSURGO summaryfrom Washtenaw County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Washtenaw 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 Washtenaw County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Saline's 2,774 acreswhy one lot differs from the next →
- Which side of Saline you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,774 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 Saline-wide figureread your own land →
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