South Milford, Indiana, sits in USDA hardiness zone 6a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Well-matched crops include cabbage, hazelnut, lavender, 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 South Milford, 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 South Milford 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 South Milford — soil, climate, flood, and parcel records. How we handle your address.
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South Milford — the short answer
South Milford, Indiana: USDA zone 6a, about 198 days between hard freezes, across 435 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 15
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~198
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 435 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 South Milford's average, not your lot's — a low corner or a tree line moves it. Against South Milford's 198-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in South Milford
Each reading below is measured for South Milford itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSouth Milford runs about 198 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
MeasuredSouth Milford 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 South Milford is in
South Milford sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at South Milford's own centroid rather than borrowed from LaGrange County.
What Grows in South Milford
Every plant below cleared South Milford's own zone 6a and its 198-day season. Each card opens that plant's Indiana profile. How we score.
Is it too late to plant in South Milford?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 18; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 15 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 30 — 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 South Milford
Survey cells within 31 miles of South Milford checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 32 miles off. What to watch for.
What's on the federal record near South Milford
Closest first, within ~10 miles of South Milford. Listing isn't leaking, and distance isn't exposure.
- JO MORYUnderground Storage Tanks · 1500 ft
- Notts Landing IncorporatedUnderground Storage Tanks · 1500 ft
- South Milford Grain Company IncorporatedUnderground Storage Tanks · 2200 ft
- TRI STATE HARDWOOD COMPANY INCORPORATEDUnderground Storage Tanks · 0.6 mi
- INDIANA INSULATED WIRE, PLANT 2Toxics Release Inventory · 0.7 mi
- Hi Way GroceryUnderground Storage Tanks · 2.1 mi
- INDIAN BAY INCORPORATEDUnderground Storage Tanks · 2.5 mi
- L & R AUTO SALESUnderground Storage Tanks · 2.6 mi
- KAMMERER WELDINGUnderground Storage Tanks · 2.6 mi
- A 1 PRODUCTIONToxics Release Inventory · 2.8 mi
- VACANT LOTUnderground Storage Tanks · 2.9 mi
- KARLEN STROH, IND.Nitrate · 3.3 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from South Milford'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 South Milford.
Total Sites
218
within ~10 miles of South Milford
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of South Milford
Severity Distribution
within ~10 miles of South Milford
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around South Milford, Toxics Release Inventory runs higher than the national average — 40 sites within ~10 miles of South Milford. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in South Milford
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 South Milford average
Your land is one point inside South Milford
Everything above resolves to South Milford as a whole — one PHZM band and one 28°F frost record, read across 435 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 South Milford Average
South Milford Average
- ●USDA Zones 6a, averaged across South Milford
- ●One soil character for all of South Milford
- ●Frost dates read at South Milford's scale: Apr 15 to Oct 30
YOUR Parcel
- ✓Your exact zone, not South Milford's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in South Milford
Pull a site-specific report for your exact address in South Milford, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that South Milford averages can't show:
We read public map data around South Milford — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the South Milford average
How we know this about South Milford
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 South Milford’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 South Milford
When does frost risk typically end in South Milford?
The last hard freeze (28°F) in South Milford typically lands around Apr 15, 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 6.
When is the first frost in South Milford?
The first hard freeze (28°F) in South Milford typically arrives around Oct 30, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 16, so the watching starts about Sep 30 — about 198 days after the spring freeze cleared.
How long is the growing season in South Milford?
Measured between 28°F hard freezes, South Milford sees about 198 frost-free days — roughly Apr 15 through Oct 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 6 to Oct 16, about 163 days.
Is the soil safe to grow vegetables in South Milford?
The federal record around South Milford is a meaningful one — 218 documented sites, mostly Underground Storage Tanks entries (121), the nearest Underground Storage Tanks record about 0.3 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 South Milford?
From about Sep 30 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 30 (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 30. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at South Milford's scale — its 6a band and its 198-day season. Your yard writes its own version of South Milford'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 South Milford’s own scale
7 of the readings below were taken at South Milford's own scale — its own ~198-day season between 28°F freezes, the 435 acres it covers and 218 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- South Milford's own USDA hardiness band, zones 6aUSDA PHZM 2023
- South Milford's own 28°F hard-freeze dates, about Apr 15 and Oct 30 and the ~198-day span between themNOAA 1991–2020 Climate Normals
- 218 documented contamination sites on the federal record near South Milford, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- South Milford's boundary and the 435 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~198-day seasonGrowable Ground crop-matching engine
- The ecoregion at South Milford's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around South Milford 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 South Milford's 435 acres read through its county's SSURGO summaryfrom LaGrange County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom LaGrange County
- The growing challenges every Indiana grower plans around — written at state scale, so they stay on the state guidefrom Indiana
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom LaGrange County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among South Milford's 435 acreswhy one lot differs from the next →
- Which side of South Milford you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 435 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 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 South Milford-wide figureread your own land →
More in Indiana
Wider growing context
What grows across IndianaSouth Milford sits outside our named growing regions, so Indiana as a whole is its closest context here.
Nearby growing guides