Benld, Illinois, sits in USDA hardiness zone 6b — 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.
Even in Benld, 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 Benld 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 Benld — soil, climate, flood, and parcel records. How we handle your address.
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Benld — the short answer
Benld, Illinois: USDA zone 6b, about 220 days between hard freezes, across 678 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 29
- 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
- ~220
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 678 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 6b is Benld's average, not your lot's — a low corner or a tree line moves it. Against Benld's 220-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Benld
Each reading below is measured for Benld itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredBenld runs about 220 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
MeasuredBenld sits in USDA hardiness zone 6b.
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 Benld is in
Benld sits in the Interior River Valleys and Hills — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Benld's own centroid rather than borrowed from Macoupin County.
What Grows in Benld
Every plant below cleared Benld's own zone 6b and its 220-day season. Each card opens that plant's Illinois profile. How we score.
Is it too late to plant in Benld?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (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.
What's on the federal record near Benld
Closest first, within ~10 miles of Benld. Listing isn't leaking, and distance isn't exposure.
- Brunetto Bros MobilUnderground Storage Tanks · 500 ft
- Caseys General Stores IncUnderground Storage Tanks · 650 ft
- Cordera TransferUnderground Storage Tanks · 1200 ft
- Baima DistributingUnderground Storage Tanks · 1300 ft
- Benld City OfUnderground Storage Tanks · 1400 ft
- Rt&P AmocoUnderground Storage Tanks · 2300 ft
- Fassero Oil CoUnderground Storage Tanks · 2600 ft
- TJ's Enterprises of BenldUnderground Storage Tanks · 0.5 mi
- C AND C AUTO BODYBrownfields · 0.6 mi
- Quality MotorsUnderground Storage Tanks · 1.5 mi
- DOLLAR GENERAL STORE 2859Brownfields · 1.7 mi
- QUALITY MOTORSBrownfields · 1.7 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Benld'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 Benld.
Total Sites
189
within ~10 miles of Benld
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Benld
Severity Distribution
within ~10 miles of Benld
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Benld, two things run higher than the national average within ~10 miles of Benld — CAFO (5 sites) and PFAS (4 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
CAFO: CAFOs pose a different contamination profile than chemical sources.
PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.
Check your specific parcel in Benld
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 Benld average
Your land is one point inside Benld
Everything above resolves to Benld as a whole — one PHZM band and one 28°F frost record, read across 678 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 Benld Average
Benld Average
- ●USDA Zones 6b, averaged across Benld
- ●One soil character for all of Benld
- ●Frost dates read at Benld's scale: Mar 29 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Benld's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Benld
Pull a site-specific report for your exact address in Benld, Illinois — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Benld averages can't show:
We read public map data around Benld — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Benld average
How we know this about Benld
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 Benld’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 Benld
When does frost risk typically end in Benld?
The last hard freeze (28°F) in Benld typically lands around Mar 29, 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 19.
When is the first frost in Benld?
The first hard freeze (28°F) in Benld 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 220 days after the spring freeze cleared.
How long is the growing season in Benld?
Measured between 28°F hard freezes, Benld sees about 220 frost-free days — roughly Mar 29 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 21, about 185 days.
Is the soil safe to grow vegetables in Benld?
The federal record around Benld is a meaningful one — 189 documented sites, mostly Underground Storage Tanks entries (119), the nearest Underground Storage Tanks 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 Benld?
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 Benld's scale — its 6b band and its 220-day season. Your yard writes its own version of Benld'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 Benld’s own scale
6 of the readings below were taken at Benld's own scale — its own ~220-day season between 28°F freezes, the 678 acres it covers and 189 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Benld's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Benld's own 28°F hard-freeze dates, about Mar 29 and Nov 4 and the ~220-day span between themNOAA 1991–2020 Climate Normals
- 189 documented contamination sites on the federal record near Benld, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Benld's boundary and the 678 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~220-day seasonGrowable Ground crop-matching engine
- The ecoregion at Benld's own centroid, the Interior River Valleys and HillsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Benld's 678 acres read through its county's SSURGO summaryfrom Macoupin County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Macoupin 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 Macoupin County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Benld's 678 acreswhy one lot differs from the next →
- Which side of Benld you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 678 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Benld-wide figureread your own land →
More in Illinois
Wider growing context
What grows across IllinoisBenld sits outside our named growing regions, so Illinois as a whole is its closest context here.
Nearby growing guides