Hinsdale, Illinois, sits in USDA hardiness zone 6a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Crops well matched to these conditions include cabbage, hazelnut, lavender, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Hinsdale, 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 Hinsdale 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 Hinsdale — soil, climate, flood, and parcel records. How we handle your address.
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Hinsdale — the short answer
Hinsdale, Illinois: USDA zone 6a, about 215 days between hard freezes, across 3K acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~215
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town 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 Hinsdale's average, not your lot's — a low corner or a tree line moves it. Against Hinsdale's 215-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Hinsdale
Each reading below is measured for Hinsdale itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredHinsdale runs about 215 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
MeasuredHinsdale 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 Hinsdale is in
Hinsdale sits in the Central Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Hinsdale's own centroid rather than borrowed from DuPage County.
What Grows in Hinsdale
Every plant below cleared Hinsdale's own zone 6a and its 215-day season. Each card opens that plant's Illinois profile. How we score.
Is it too late to plant in Hinsdale?
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 7; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 4 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 5 — 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 Hinsdale
Spotted lanternfly documented 10 miles from Hinsdale, first recorded 2023. What to watch for.
What's on the federal record near Hinsdale
Closest first, within ~10 miles of Hinsdale. Listing isn't leaking, and distance isn't exposure.
- HINSDALEPFAS · 0 ft
- Garfied CrossingUnderground Storage Tanks · 350 ft
- WALGREENS #6475Brownfields · 450 ft
- Watchshop Of HinsdaleUnderground Storage Tanks · 450 ft
- Fuller's Little StoreUnderground Storage Tanks · 500 ft
- Hinsdale COUnderground Storage Tanks · 700 ft
- L TECH COBrownfields · 1100 ft
- Hinsdale MobilUnderground Storage Tanks · 1100 ft
- HIRHAGER ENTERPRISES INCBrownfields · 1100 ft
- SILK ROAD CLEANERSBrownfields · 1200 ft
- Amoco Ss#5328 Fac#10885Underground Storage Tanks · 1200 ft
- HINSDALE FIRE DEPARTMENTBrownfields · 1200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Hinsdale'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 Hinsdale.
Sources Checked
within ~10 miles of Hinsdale
Severity Distribution
within ~10 miles of Hinsdale
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Hinsdale, two things run higher than the national average within ~10 miles of Hinsdale — Toxics Release Inventory (418 sites) and PFAS (54 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.
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 Hinsdale
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 Hinsdale average
Your land is one point inside Hinsdale
Everything above resolves to Hinsdale 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 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 Hinsdale Average
Hinsdale Average
- ●USDA Zones 6a, averaged across Hinsdale
- ●One soil character for all of Hinsdale
- ●Frost dates read at Hinsdale's scale: Apr 4 to Nov 5
YOUR Parcel
- ✓Your exact zone, not Hinsdale's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Hinsdale
Pull a site-specific report for your exact address in Hinsdale, Illinois — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Hinsdale averages can't show:
We read public map data around Hinsdale — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Hinsdale average
How we know this about Hinsdale
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 Hinsdale’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 Hinsdale
When does frost risk typically end in Hinsdale?
The last hard freeze (28°F) in Hinsdale typically lands around Apr 4, 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 25.
When is the first frost in Hinsdale?
The first hard freeze (28°F) in Hinsdale typically arrives around Nov 5, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 22, so the watching starts about Oct 6 — about 215 days after the spring freeze cleared.
How long is the growing season in Hinsdale?
Measured between 28°F hard freezes, Hinsdale sees about 215 frost-free days — roughly Apr 4 through Nov 5, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 25 to Oct 22, about 180 days.
Is the soil safe to grow vegetables in Hinsdale?
The federal record around Hinsdale is a meaningful one — 4,675 documented sites, mostly Underground Storage Tanks entries (2,301), the nearest PFAS record under a tenth of a mile 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 Hinsdale?
From about Oct 6 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 5 (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 5. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Hinsdale's scale — its 6a band and its 215-day season. Your yard writes its own version of Hinsdale'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 Hinsdale’s own scale
7 of the readings below were taken at Hinsdale's own scale — its own ~215-day season between 28°F freezes, the 2,959 acres it covers and 4,675 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Hinsdale's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Hinsdale's own 28°F hard-freeze dates, about Apr 4 and Nov 5 and the ~215-day span between themNOAA 1991–2020 Climate Normals
- 4,675 documented contamination sites on the federal record near Hinsdale, the closest PFAS record under a tenth of a mile out from the town centreFederal environmental registers
- Hinsdale's boundary and the 2,959 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~215-day seasonGrowable Ground crop-matching engine
- The ecoregion at Hinsdale's own centroid, the Central Corn Belt PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Hinsdalelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Hinsdale's 2,959 acres read through its county's SSURGO summaryfrom DuPage County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom DuPage County
- The growing challenges every Illinois grower plans around — written at state scale, so they stay on the state guidefrom Illinois
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom DuPage County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Hinsdale's 2,959 acreswhy one lot differs from the next →
- Which side of Hinsdale you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 2,959 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest PFAS 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 Hinsdale-wide figureread your own land →
More in Illinois
Wider growing context
What grows across IllinoisHinsdale sits outside our named growing regions, so Illinois as a whole is its closest context here.
Nearby growing guides