Nappanee, 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 Nappanee, 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 Nappanee 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 Nappanee — soil, climate, flood, and parcel records. How we handle your address.
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Nappanee — the short answer
Nappanee, Indiana: USDA zone 6a, about 202 days between hard freezes, across 3K acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~202
- 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 Nappanee's average, not your lot's — a low corner or a tree line moves it. Against Nappanee's 202-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Nappanee
Each reading below is measured for Nappanee itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredNappanee 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
MeasuredNappanee 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 Nappanee is in
Nappanee sits in the Southern Michigan/Northern Indiana Drift Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Nappanee's own centroid rather than borrowed from Elkhart County.
What Grows in Nappanee
Every plant below cleared Nappanee'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 Nappanee?
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 Nov 2 — 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 Nappanee
Spotted lanternfly documented 13 miles from Nappanee, first recorded 2023. What to watch for.
What's on the federal record near Nappanee
Closest first, within ~10 miles of Nappanee. Listing isn't leaking, and distance isn't exposure.
- NAPPANEE WATER UTILITYPFAS · 1100 ft
- AMOCO SERVICE STATION 373Underground Storage Tanks · 1200 ft
- COPPES CABINETToxics Release Inventory · 1300 ft
- GEORGES SERVICEUnderground Storage Tanks · 1500 ft
- UP TOWN CAR WASHUnderground Storage Tanks · 1500 ft
- COPPES NAPPANEEBrownfields · 1600 ft
- JENKINS R W AUTOMOTIVE INCBrownfields · 1700 ft
- NAPPANEE WOOD PRODUCTSUnderground Storage Tanks · 2000 ft
- Market Street Auto ServiceUnderground Storage Tanks · 2000 ft
- CHURCH OF THE BRETHRENUnderground Storage Tanks · 2100 ft
- North Central Cooperative Fertilizer PlantUnderground Storage Tanks · 2100 ft
- CONSOLIDATED NUTRITION LCToxics Release Inventory · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Nappanee'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 Nappanee.
Total Sites
347
within ~10 miles of Nappanee
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Nappanee
Severity Distribution
within ~10 miles of Nappanee
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Nappanee, two things run higher than the national average within ~10 miles of Nappanee — Toxics Release Inventory (80 sites) and PFAS (3 sites). That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Nappanee
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 Nappanee average
Your land is one point inside Nappanee
Everything above resolves to Nappanee 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 Nappanee Average
Nappanee Average
- ●USDA Zones 6a, averaged across Nappanee
- ●One soil character for all of Nappanee
- ●Frost dates read at Nappanee's scale: Apr 14 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Nappanee's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Nappanee
Pull a site-specific report for your exact address in Nappanee, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Nappanee averages can't show:
We read public map data around Nappanee — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Nappanee average
How we know this about Nappanee
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 Nappanee’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 Nappanee
When does frost risk typically end in Nappanee?
The last hard freeze (28°F) in Nappanee 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.
When is the first frost in Nappanee?
The first hard freeze (28°F) in Nappanee typically arrives around Nov 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 19, so the watching starts about Oct 3 — about 202 days after the spring freeze cleared.
How long is the growing season in Nappanee?
Measured between 28°F hard freezes, Nappanee sees about 202 frost-free days — roughly Apr 14 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 5 to Oct 19, about 167 days.
Is the soil safe to grow vegetables in Nappanee?
The federal record around Nappanee is a meaningful one — 347 documented sites, mostly Underground Storage Tanks entries (152), the nearest PFAS 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 Nappanee?
From about Oct 3 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 2 (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 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Nappanee's scale — its 6a band and its 202-day season. Your yard writes its own version of Nappanee'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 Nappanee’s own scale
7 of the readings below were taken at Nappanee's own scale — its own ~202-day season between 28°F freezes, the 3,156 acres it covers and 347 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Nappanee's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Nappanee's own 28°F hard-freeze dates, about Apr 14 and Nov 2 and the ~202-day span between themNOAA 1991–2020 Climate Normals
- 347 documented contamination sites on the federal record near Nappanee, the closest PFAS record about 0.2 miles out from the town centreFederal environmental registers
- Nappanee's boundary and the 3,156 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 Nappanee's own centroid, the Southern Michigan/Northern Indiana Drift PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Nappaneelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Nappanee's 3,156 acres read through its county's SSURGO summaryfrom Elkhart County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Elkhart 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 Elkhart County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Nappanee's 3,156 acreswhy one lot differs from the next →
- Which side of Nappanee you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,156 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS 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 Nappanee-wide figureread your own land →
More in Indiana
Wider growing context
What grows across IndianaNappanee sits outside our named growing regions, so Indiana as a whole is its closest context here.