Shorewood, Illinois, sits in USDA hardiness zone 5b — a zone band wide enough that plant choice, not possibility, is the interesting question.
Reliable performers under these conditions include cabbage, blueberry, lavender, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Shorewood, 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 Shorewood 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 Shorewood — soil, climate, flood, and parcel records. How we handle your address.
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Shorewood — the short answer
Shorewood, Illinois: USDA zone 5b, about 207 days between hard freezes, across 5K acres of town.
- USDA zone
- 5b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~207
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 5K 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 5b is Shorewood's average, not your lot's — a low corner or a tree line moves it. Against Shorewood's 207-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Shorewood
Each reading below is measured for Shorewood itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredShorewood runs about 207 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
MeasuredShorewood sits in USDA hardiness zone 5b.
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 Shorewood is in
Shorewood sits in the Central Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Shorewood's own centroid rather than borrowed from Will County.
What Grows in Shorewood
Every plant below cleared Shorewood's own zone 5b and its 207-day season. Each card opens that plant's Illinois profile. How we score.
Is it too late to plant in Shorewood?
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 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 Oct 30 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Shorewood
Spotted lanternfly documented 19 miles from Shorewood, first recorded 2023. What to watch for.
What's on the federal record near Shorewood
Closest first, within ~10 miles of Shorewood. Listing isn't leaking, and distance isn't exposure.
- Shorewood Bus GarageUnderground Storage Tanks · 1100 ft
- RR BRINK LOCKING SYSTEMSBrownfields · 1100 ft
- LEGACY FIRE APPARATUSBrownfields · 1200 ft
- Thomas Proestler CompanyUnderground Storage Tanks · 1300 ft
- CHICAGO BOXED BEEF COBrownfields · 1300 ft
- Chicago Boxed Beff CompanyUnderground Storage Tanks · 1300 ft
- CVS PHARMACY 0921Brownfields · 1500 ft
- Oriental UniformsUnderground Storage Tanks · 1500 ft
- Lenny's Gas N Wash, LLCUnderground Storage Tanks · 1600 ft
- SHOREWOOD, ILPFAS · 0.5 mi
- 35N 9E- 9.3c1Nitrate · 0.8 mi
- CLEAN II CLEANERSBrownfields · 0.9 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Shorewood'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 Shorewood.
Sources Checked
within ~10 miles of Shorewood
Severity Distribution
within ~10 miles of Shorewood
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Shorewood, two things run higher than the national average within ~10 miles of Shorewood — PFAS (12 sites) and Toxics Release Inventory (86 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Shorewood
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 Shorewood average
Your land is one point inside Shorewood
Everything above resolves to Shorewood as a whole — one PHZM band and one 28°F frost record, read across 5K 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 Shorewood Average
Shorewood Average
- ●USDA Zones 5b, averaged across Shorewood
- ●One soil character for all of Shorewood
- ●Frost dates read at Shorewood's scale: Apr 6 to Oct 30
YOUR Parcel
- ✓Your exact zone, not Shorewood's 5b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Shorewood
Pull a site-specific report for your exact address in Shorewood, Illinois — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Shorewood averages can't show:
We read public map data around Shorewood — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Shorewood average
How we know this about Shorewood
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 Shorewood’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 Shorewood
When does frost risk typically end in Shorewood?
The last hard freeze (28°F) in Shorewood 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 Shorewood?
The first hard freeze (28°F) in Shorewood typically arrives around Oct 30, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 16, so the watching starts about Sep 30 — about 207 days after the spring freeze cleared.
How long is the growing season in Shorewood?
Measured between 28°F hard freezes, Shorewood sees about 207 frost-free days — roughly Apr 6 through Oct 30, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 16, about 172 days.
Is the soil safe to grow vegetables in Shorewood?
The federal record around Shorewood runs heavier than most — 1,017 documented sites, mostly Brownfields entries (440), the nearest Underground Storage Tanks record about 0.2 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 Shorewood?
From about Sep 30 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 Oct 30 (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 Oct 30. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Shorewood's scale — its 5b band and its 207-day season. Your yard writes its own version of Shorewood'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 Shorewood’s own scale
7 of the readings below were taken at Shorewood's own scale — its own ~207-day season between 28°F freezes, the 5,174 acres it covers and 1,017 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Shorewood's own USDA hardiness band, zones 5bUSDA PHZM 2023
- Shorewood's own 28°F hard-freeze dates, about Apr 6 and Oct 30 and the ~207-day span between themNOAA 1991–2020 Climate Normals
- 1,017 documented contamination sites on the federal record near Shorewood, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Shorewood's boundary and the 5,174 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5b and a ~207-day seasonGrowable Ground crop-matching engine
- The ecoregion at Shorewood's own centroid, the Central Corn Belt PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Shorewoodlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Shorewood's 5,174 acres read through its county's SSURGO summaryfrom Will County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Will 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 Will County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Shorewood's 5,174 acreswhy one lot differs from the next →
- Which side of Shorewood you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 5,174 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Shorewood-wide figureread your own land →
More in Illinois
Wider growing context
What grows across IllinoisShorewood sits outside our named growing regions, so Illinois as a whole is its closest context here.
Nearby growing guides