South Bend, Indiana, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Expect cabbage, hazelnut, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in South Bend, 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 Bend 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 Bend — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
South Bend — the short answer
South Bend, Indiana: USDA zone 6a, about 202 days between hard freezes, across 27K acres of city.
- 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)
- Nov 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~202
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 27K 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 Bend's average, not your lot's — a low corner or a tree line moves it. Against South Bend's 202-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in South Bend
Each reading below is measured for South Bend itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSouth Bend runs about 202 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredSouth Bend 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 Bend is in
South Bend sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at South Bend's own centroid rather than borrowed from St. Joseph County.
What Grows in South Bend
Every plant below cleared South Bend's own zone 6a and its 202-day season. Each card opens that plant's Indiana profile. How we score.
Is it too late to plant in South Bend?
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 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 Nov 3 — long-season crops need about 90 days of runway, quick greens only 30. With a season this long, “too late” mostly means “switch crops” — second sowings and a full fall garden are the norm, with garlic closing the year.
Documented around South Bend
Spotted lanternfly documented 4 miles from South Bend, first recorded 2023. What to watch for.
What's on the federal record near South Bend
Closest first, within ~10 miles of South Bend. Listing isn't leaking, and distance isn't exposure.
- HRP CORPORATIONUnderground Storage Tanks · 200 ft
- VACANT LOTUnderground Storage Tanks · 250 ft
- OLD STUDEBAKER MUSEUMUnderground Storage Tanks · 900 ft
- MILTON DEANUnderground Storage Tanks · 1000 ft
- PROPOSED APARTMENT COMPLEXUnderground Storage Tanks · 1100 ft
- SOUTH BEND METAL PROCESSING, INC.Toxics Release Inventory · 1200 ft
- SOUTH BEND RANGESuperfund · 1300 ft
- SOUTH BEND RANGEBrownfields · 1300 ft
- GTA CONTAINERS INCBrownfields · 1400 ft
- OIL EXPRESSSuperfund · 1400 ft
- Oil Express IncorporatedUnderground Storage Tanks · 1500 ft
- GEORGE J URBANSKIUnderground Storage Tanks · 1600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from South Bend'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 Bend.
Sources Checked
within ~10 miles of South Bend
Severity Distribution
within ~10 miles of South Bend
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around South Bend, two things run higher than the national average within ~10 miles of South Bend — Toxics Release Inventory (110 sites) and Superfund (20 sites). 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.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in South Bend
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 Bend average
Your land is one point inside South Bend
Everything above resolves to South Bend as a whole — one PHZM band and one 28°F frost record, read across 27K 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 South Bend Average
South Bend Average
- ●USDA Zones 6a, averaged across South Bend
- ●One soil character for all of South Bend
- ●Frost dates read at South Bend's scale: Apr 15 to Nov 3
YOUR Parcel
- ✓Your exact zone, not South Bend's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in South Bend
Pull a site-specific report for your exact address in South Bend, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that South Bend averages can't show:
We read public map data around South Bend — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the South Bend average
How we know this about South Bend
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 South Bend’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 South Bend
When does frost risk typically end in South Bend?
The last hard freeze (28°F) in South Bend 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 Bend?
The first hard freeze (28°F) in South Bend typically arrives around Nov 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 20, so the watching starts about Oct 4 — about 202 days after the spring freeze cleared.
How long is the growing season in South Bend?
Measured between 28°F hard freezes, South Bend sees about 202 frost-free days — roughly Apr 15 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 6 to Oct 20, about 167 days.
Is the soil safe to grow vegetables in South Bend?
The federal record around South Bend runs heavier than most — 1,465 documented sites, mostly Underground Storage Tanks entries (754), the nearest Underground Storage Tanks record under a tenth of a mile out — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.
How do I protect my plants from frost in South Bend?
From about Oct 4 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 Nov 3 (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 Nov 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at South Bend's scale — its 6a band and its 202-day season. Your yard writes its own version of South Bend'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 Bend’s own scale
7 of the readings below were taken at South Bend's own scale — its own ~202-day season between 28°F freezes, the 26,813 acres it covers and 1,465 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- South Bend's own USDA hardiness band, zones 6aUSDA PHZM 2023
- South Bend's own 28°F hard-freeze dates, about Apr 15 and Nov 3 and the ~202-day span between themNOAA 1991–2020 Climate Normals
- 1,465 documented contamination sites on the federal record near South Bend, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- South Bend's boundary and the 26,813 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~202-day seasonGrowable Ground crop-matching engine
- The ecoregion at South Bend's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of South Bendlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so South Bend's 26,813 acres read through its county's SSURGO summaryfrom St. Joseph County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom St. Joseph 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 St. Joseph County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among South Bend's 26,813 acreswhy one lot differs from the next →
- Which side of South Bend you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 26,813 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record under a tenth of a mile 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 Bend-wide figureread your own land →