Elkhart County, in 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.
Among the crops suited to this profile: cabbage, hazelnut, lavender, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Grounded in USDA PHZM 2023 · Growable Ground suitability scoring · NOAA 1991–2020 Climate Normals
Elkhart County holds more than one microclimate.
Soils and elevations shift across Elkhart County, so your frost dates and drainage aren't the county average. 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 Elkhart County — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Elkhart County — the short answer
Elkhart County, Indiana: USDA zone 6a, about 200 days between hard freezes, across 296K acres.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 14
- NOAA 1991–2020 Climate Normals, 28°F
- First hard freeze (28°F)
- Oct 31
- NOAA 1991–2020 Climate Normals, 28°F
- Days between freezes
- ~200
- NOAA 1991–2020 Climate Normals, 28°F
- County area
- 296K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are county 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 Elkhart County's average, not your lot's — a low corner or a tree line moves it. Against Elkhart County's 200-day season, see what your own ground reads.
Heat in Elkhart County
Across a year, Elkhart County accumulates about 2,765 growing degree days above 50°F, about 391 fewer than the middle Indiana county — ahead of 7 of Indiana’s 92 counties. Degree days are the heat a crop actually gets to work with — more of them is more room to ripen a long-season crop before the freeze closes the window.
Grounded in PRISM Climate Group, Oregon State University — 1991–2020 monthly normals
Soil in Elkhart County
Across Elkhart County, the ground is predominantly Alfisols, where Crosier, Bristol, and Tyner are the most extensive named soil series. The soil is generally somewhat poorly drained with a loam surface. Topsoil pH runs about 6.2–6.5, slightly acidic. Rainfall drains through hydrologic group A soils.
Soil order
Alfisols
Drainage
Somewhat poorly drained
Prime farmland
12%
Hydric soils
20%
Soil still varies lot by lot — soil types explained.
How the ground varies across Elkhart County
The USDA soil survey maps 27% of Elkhart County as somewhat poorly drained — but another 64% drains differently: 18% well drained, 17% excessively drained.
Crosier is the most extensive named soil at 22% of mapped acres, then Bristol (11%) and Tyner (8%).
Which of them your own lot sits on is a parcel question, not a county one. Check your address for the survey at your boundary.
What this means for growing in Elkhart County
Each reading below is measured for Elkhart County itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Drainage
MeasuredThe dominant soils across Elkhart County are somewhat poorly drained, in hydrologic group A — ground that sheds water slowly.
Beds can stay saturated for days after heavy rain, and the roots of most vegetables, berries, and fruit trees suffocate or rot in soil that never drains.
Raised beds or mounded rows lift roots above the wet zone; choose water-tolerant crops for the lowest spots.
USDA NRCS SSURGO
Surface pH
MeasuredTopsoil across Elkhart County runs about pH 6.2–6.5, close to neutral.
This is the range most vegetables prefer — one correction you probably do not have to make, which is genuinely good news for a new bed.
Keep it there with compost rather than lime or sulfur, and only amend if your own soil test says otherwise.
USDA NRCS SSURGO
Season length
MeasuredElkhart County runs about 200 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
MeasuredElkhart County 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 Elkhart County is in
Elkhart County sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. One consistent ecological setting across the whole county.
What Grows in Elkhart County
We scored all 1,086 plants against Elkhart County's own USDA zone 6a and its own 200-day season between hard freezes, using the same matching engine that runs a full parcel report. These cleared both. Sun, soil pH and drainage vary lot by lot — those are the parcel questions below. Each card opens that plant's Indiana profile.
Is it too late to plant in Elkhart County?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 14 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 31 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Elkhart County
Spotted lanternfly documented 2 miles from Elkhart County, first recorded 2023. What to watch for.
- monarch butterfly52 documented records
Sighting records, so they follow observers as much as insects.
What gets applied to farmland in Elkhart County
USGS estimates 73,148 lb of Glyphosate on Elkhart County farmland in 2019, its largest by weight, ahead of Atrazine (34,739 lb) and Metolachlor & Metolachlor-s (27,115 lb).
Farmland across the whole county, not any one lot. Check your address for the site-by-site record.
Safe to Grow Here?
What the federal record shows across Elkhart County — and how to grow with it.
We checked the federal record across Elkhart County — 1,857 documented sites across 6 of the 9 source types we track.
The most significant on record: 26 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.
Elkhart County carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.
Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.
What's on the federal record near Elkhart County
Closest first, across Elkhart County. Listing isn't leaking, and distance isn't exposure.
- HOOSIER HOUSE FURNISHINGS PLANT 3Brownfields · 200 ft
- DUTCH MILLS INCORPORATEDUnderground Storage Tanks · 200 ft
- VACANT LOTUnderground Storage Tanks · 800 ft
- TWIN PINES MOBILE HOME PARKUnderground Storage Tanks · 850 ft
- 7 ELEVEN 32571Underground Storage Tanks · 900 ft
- MODERN MASONRY SUPPLY INCORPORATEDUnderground Storage Tanks · 950 ft
- 7 ELEVEN 32571Brownfields · 1000 ft
- SUPERIOR BODY WORKSBrownfields · 1100 ft
- ROY ROGERSUnderground Storage Tanks · 1100 ft
- MONTEITH TIREBrownfields · 1200 ft
- PAUL CHRISPYNUnderground Storage Tanks · 1300 ft
- TRIANGLE RUBBER CO INCBrownfields · 1400 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Elkhart County'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 Elkhart County.
Sources Checked
across Elkhart County
Severity Distribution
across Elkhart County
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Elkhart County, two things run higher than the national average across Elkhart County — Toxics Release Inventory (317 sites) and Superfund (26 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 Elkhart County
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 Elkhart County average
Your land is one point inside Elkhart County
Everything above resolves to Elkhart County as a whole — one PHZM band and one county frost record, read across 296K 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 county 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 county average.
Your Lot vs the Elkhart County Average
Elkhart County Average
- ●USDA Zones 6a, averaged across Elkhart County
- ●One soil character for all of Elkhart County
- ●Frost dates read at Elkhart County's scale: Apr 14 to Oct 31
YOUR Parcel
- ✓Your exact zone, not Elkhart County's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your parcel in Elkhart County
Pull a site-specific report for your exact address in Elkhart County, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Elkhart County averages can't show:
We read public map data around Elkhart County — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Elkhart County average
How we know this about Elkhart County
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at county grain; hard-freeze dates from NOAA 1991–2020 28°F normals at this county’s own record where one resolves, and the labelled statewide window where none does; soils from the USDA NRCS SSURGO survey, area-weighted across the county’s own map units; boundaries and acreage from US Census TIGER/Line 2025; the contamination and pesticide records from the federal sources named in their beats above. Where Elkhart County carries no record of its own, the figure is inherited and labelled — the resolution ledger below names each.
Common questions about Elkhart County
When does frost risk typically end in Elkhart County?
The last hard freeze (28°F) in Elkhart County typically lands around Apr 14, 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 5.
How long is the growing season in Elkhart County?
Measured between 28°F hard freezes, Elkhart County sees about 200 frost-free days — roughly Apr 14 through Oct 31, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 17, about 165 days.
Is the soil safe to grow vegetables in Elkhart County?
The federal record around Elkhart County runs heavier than most — 1,857 documented sites, mostly Underground Storage Tanks entries (710), the nearest Brownfields 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.
Everything above is measured at Elkhart County's scale — its 6a band and its 200-day season. Your yard writes its own version of Elkhart County's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
Will It Grow Here?
Zone fit is the first question — each answer below reads Indiana's frost window, season length, and soil profile against the plant's real requirements.
What this page reads at Elkhart County’s own scale
9 of the readings below were taken at Elkhart County's own scale — its own ~200-day span between 28°F freezes, the 3 most extensive soil series mapped here and 1,857 documented sites inside its boundary; one is borrowed from a wider read, named and linked below.
Measured here
- Elkhart County's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Elkhart County's own 28°F hard-freeze dates and its ~200-day span between themNOAA 1991–2020 Climate Normals
- The soil order, drainage, surface pH, and the 3 most extensive named soil series mapped in Elkhart CountyUSDA NRCS SSURGO
- 1,857 documented contamination sites inside the county boundary, distance-sorted from its center — the closest Brownfields record under a tenth of a mile outFederal environmental registers
- Elkhart County's boundary and the 296,421 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~200-day seasonGrowable Ground crop-matching engine
- Elkhart County sitting wholly inside the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- Open occurrence records documented in Elkhart County for a tracked speciesGBIF derived datasets (CC0 / CC BY 4.0)
- Which agricultural compounds go onto Elkhart County farmland, and roughly how muchUSGS NAWQA EPest county estimates
Inherited from a wider read
- The growing challenges every Indiana grower plans around — written at state scale, so they stay on the state guidefrom Indiana
What this page can’t tell you
- How the season shifts across Elkhart County — the ~200 days above is one reading at its centre; the 12 towns below each carry their owntowns in this county →
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Elkhart County's 296,421 acreswhy one lot differs from the next →
- Which of those 1,857 documented sites actually reaches your soil — that needs your address, the wind, and the groundwater directionhow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — none of it survives being averaged over Elkhart Countyread your own land →