Warren Park, Indiana, sits in USDA hardiness zone 6a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
On paper, cabbage, hazelnut, lavender, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Warren Park, 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 Warren Park 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 Warren Park — soil, climate, flood, and parcel records. How we handle your address.
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Warren Park — the short answer
Warren Park, Indiana: USDA zone 6a, about 212 days between hard freezes, across 289 acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~212
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 289 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 Warren Park's average, not your lot's — a low corner or a tree line moves it. Against Warren Park's 212-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Warren Park
Each reading below is measured for Warren Park itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredWarren Park runs about 212 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
MeasuredWarren Park 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 Warren Park is in
Warren Park sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Warren Park's own centroid rather than borrowed from Marion County.
What Grows in Warren Park
Every plant below cleared Warren Park's own zone 6a and its 212-day season. Each card opens that plant's Indiana profile. How we score.
Is it too late to plant in Warren Park?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.
Documented around Warren Park
Survey cells within 31 miles of Warren Park checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 67 miles off. What to watch for.
What's on the federal record near Warren Park
Closest first, within ~10 miles of Warren Park. Listing isn't leaking, and distance isn't exposure.
- FAMILY AUTO BUICKUnderground Storage Tanks · 1800 ft
- FAMILY AUTO BUICKBrownfields · 1800 ft
- Gas & Food MartUnderground Storage Tanks · 1800 ft
- KENNETH WININGSUnderground Storage Tanks · 1800 ft
- ARMSTRONG & COMPANYUnderground Storage Tanks · 1800 ft
- Amoco Oil Company 20004Underground Storage Tanks · 1900 ft
- Gas & Food Mart 2Underground Storage Tanks · 1900 ft
- FAMILY AUTO LINCOLN MERCURYUnderground Storage Tanks · 2000 ft
- FAMILY AUTO LINCOLN MERCURYBrownfields · 2000 ft
- WASHBOARD COIN LAUNDRY & DRY CLEANERSBrownfields · 2100 ft
- GLENMAR CLEANERS INCBrownfields · 2100 ft
- CALIBER COLLISION CENTER SHADELAND 2613Brownfields · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Warren Park'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 Warren Park.
Sources Checked
within ~10 miles of Warren Park
Severity Distribution
within ~10 miles of Warren Park
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Warren Park, two things run higher than the national average within ~10 miles of Warren Park — Superfund (53 sites) and Toxics Release Inventory (198 sites). That's not a problem with your land — it's information about it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Warren Park
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 Warren Park average
Your land is one point inside Warren Park
Everything above resolves to Warren Park as a whole — one PHZM band and one 28°F frost record, read across 289 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 Warren Park Average
Warren Park Average
- ●USDA Zones 6a, averaged across Warren Park
- ●One soil character for all of Warren Park
- ●Frost dates read at Warren Park's scale: Apr 6 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Warren Park's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Warren Park
Pull a site-specific report for your exact address in Warren Park, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Warren Park averages can't show:
We read public map data around Warren Park — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Warren Park average
How we know this about Warren Park
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 Warren Park’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 Warren Park
When does frost risk typically end in Warren Park?
The last hard freeze (28°F) in Warren Park typically lands around Apr 6, 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 Apr 27.
When is the first frost in Warren Park?
The first hard freeze (28°F) in Warren Park typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 212 days after the spring freeze cleared.
How long is the growing season in Warren Park?
Measured between 28°F hard freezes, Warren Park sees about 212 frost-free days — roughly Apr 6 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 21, about 177 days.
Is the soil safe to grow vegetables in Warren Park?
The federal record around Warren Park runs heavier than most — 3,110 documented sites, mostly Underground Storage Tanks entries (1,599), the nearest Underground Storage Tanks record about 0.3 miles 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 Warren Park?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Warren Park's scale — its 6a band and its 212-day season. Your yard writes its own version of Warren Park'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 Warren Park’s own scale
7 of the readings below were taken at Warren Park's own scale — its own ~212-day season between 28°F freezes, the 289 acres it covers and 3,110 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Warren Park's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Warren Park's own 28°F hard-freeze dates, about Apr 6 and Nov 4 and the ~212-day span between themNOAA 1991–2020 Climate Normals
- 3,110 documented contamination sites on the federal record near Warren Park, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Warren Park's boundary and the 289 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~212-day seasonGrowable Ground crop-matching engine
- The ecoregion at Warren Park's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Warren Park 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 Warren Park's 289 acres read through its county's SSURGO summaryfrom Marion County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Marion 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 Marion County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Warren Park's 289 acreswhy one lot differs from the next →
- Which side of Warren Park you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 289 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 Warren Park-wide figureread your own land →
More in Indiana
Wider growing context
What grows across IndianaWarren Park sits outside our named growing regions, so Indiana as a whole is its closest context here.
Nearby growing guides