Kanopolis, Kansas, sits in USDA hardiness zone 6b — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
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 Kanopolis, 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 Kanopolis 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 Kanopolis — soil, climate, flood, and parcel records. How we handle your address.
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Kanopolis — the short answer
Kanopolis, Kansas: USDA zone 6b, about 206 days between hard freezes, across 754 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~206
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 754 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 Kanopolis's average, not your lot's — a low corner or a tree line moves it. Against Kanopolis's 206-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Kanopolis
Each reading below is measured for Kanopolis itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredKanopolis runs about 206 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
MeasuredKanopolis 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 Kanopolis is in
Kanopolis sits in the Central Great Plains — EPA Level III, inside the wider Great Plains. That is read at Kanopolis's own centroid rather than borrowed from Ellsworth County.
What Grows in Kanopolis
Every plant below cleared Kanopolis's own zone 6b and its 206-day season. Each card opens that plant's Kansas profile. How we score.
Is it too late to plant in Kanopolis?
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 8; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 5 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 28 — 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.
What's on the federal record near Kanopolis
Closest first, within ~10 miles of Kanopolis. Listing isn't leaking, and distance isn't exposure.
- HI PLAINS SAND, INC.Underground Storage Tanks · 550 ft
- HI-PLAINS SAND INCBrownfields · 750 ft
- ACME BRICK COBrownfields · 1100 ft
- WHITE CONSTRUCTION CO., LLCUnderground Storage Tanks · 1200 ft
- D & S OIL CO, LLC #3Underground Storage Tanks · 1300 ft
- ELLSWORTH COOPUnderground Storage Tanks · 1800 ft
- 15S 08W 36DBB 01Nitrate · 2000 ft
- ACME BRICK COUnderground Storage Tanks · 2200 ft
- ACME BRICK - KANOPOLISToxics Release Inventory · 0.5 mi
- 15S 08W 25DBB 01Nitrate · 0.6 mi
- 15S 08W 25BDD 01Nitrate · 0.8 mi
- 4S FEEDERS - ED SCHNEIDERCAFO · 1.8 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Kanopolis'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 Kanopolis.
Total Sites
96
within ~10 miles of Kanopolis
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Kanopolis
Severity Distribution
within ~10 miles of Kanopolis
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Kanopolis, Nitrate runs higher than the national average — 40 sites within ~10 miles of Kanopolis. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Check your specific parcel in Kanopolis
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 Kanopolis average
Your land is one point inside Kanopolis
Everything above resolves to Kanopolis as a whole — one PHZM band and one 28°F frost record, read across 754 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 Kanopolis Average
Kanopolis Average
- ●USDA Zones 6b, averaged across Kanopolis
- ●One soil character for all of Kanopolis
- ●Frost dates read at Kanopolis's scale: Apr 5 to Oct 28
YOUR Parcel
- ✓Your exact zone, not Kanopolis's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Kanopolis
Pull a site-specific report for your exact address in Kanopolis, Kansas — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Kanopolis averages can't show:
We read public map data around Kanopolis — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Kanopolis average
How we know this about Kanopolis
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 Kanopolis’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 Kanopolis
When does frost risk typically end in Kanopolis?
The last hard freeze (28°F) in Kanopolis typically lands around Apr 5, 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 26.
When is the first frost in Kanopolis?
The first hard freeze (28°F) in Kanopolis typically arrives around Oct 28, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 14, so the watching starts about Sep 28 — about 206 days after the spring freeze cleared.
How long is the growing season in Kanopolis?
Measured between 28°F hard freezes, Kanopolis sees about 206 frost-free days — roughly Apr 5 through Oct 28, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 26 to Oct 14, about 171 days.
Is the soil safe to grow vegetables in Kanopolis?
The federal record around Kanopolis is a meaningful one — 96 documented sites, mostly Nitrate entries (40), the nearest Underground Storage Tanks record about 0.1 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 Kanopolis?
From about Sep 28 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 28 (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 28. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Kanopolis's scale — its 6b band and its 206-day season. Your yard writes its own version of Kanopolis'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 Kanopolis’s own scale
6 of the readings below were taken at Kanopolis's own scale — its own ~206-day season between 28°F freezes, the 754 acres it covers and 96 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Kanopolis's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Kanopolis's own 28°F hard-freeze dates, about Apr 5 and Oct 28 and the ~206-day span between themNOAA 1991–2020 Climate Normals
- 96 documented contamination sites on the federal record near Kanopolis, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Kanopolis's boundary and the 754 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~206-day seasonGrowable Ground crop-matching engine
- The ecoregion at Kanopolis's own centroid, the Central Great PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Kanopolis's 754 acres read through its county's SSURGO summaryfrom Ellsworth County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Ellsworth County
- The growing challenges every Kansas grower plans around — written at state scale, so they stay on the state guidefrom Kansas
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Ellsworth County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Kanopolis's 754 acreswhy one lot differs from the next →
- Which side of Kanopolis you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 754 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.1 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 Kanopolis-wide figureread your own land →
More in Kansas
Wider growing context
What grows across KansasKanopolis sits outside our named growing regions, so Kansas as a whole is its closest context here.