Canton, Missouri, sits in USDA hardiness zone 6a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
The conditions favor cabbage, hazelnut, lavender, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Canton, 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 Canton 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 Canton — soil, climate, flood, and parcel records. How we handle your address.
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Canton — the short answer
Canton, Missouri: USDA zone 6a, about 218 days between hard freezes, across 1K acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 30
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~218
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 1K 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 Canton's average, not your lot's — a low corner or a tree line moves it. Against Canton's 218-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Canton
Each reading below is measured for Canton itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCanton runs about 218 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
MeasuredCanton 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 Canton is in
Canton sits in the Central Irregular Plains — EPA Level III, inside the wider Great Plains. That is read at Canton's own centroid rather than borrowed from Lewis County.
What Grows in Canton
Every plant below cleared Canton's own zone 6a and its 218-day season. Each card opens that plant's Missouri profile. How we score.
Is it too late to plant in Canton?
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 2; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 30 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — 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 Canton
Closest first, within ~10 miles of Canton. Listing isn't leaking, and distance isn't exposure.
- BURLINGTON NORTHERN RAIL SIDINGUnderground Storage Tanks · 1500 ft
- CHAD WINTERSUnderground Storage Tanks · 1500 ft
- CANTON MARINE TOWING CO, INCUnderground Storage Tanks · 1500 ft
- CANTON GARAGEUnderground Storage Tanks · 1800 ft
- CANTON - C OUnderground Storage Tanks · 1900 ft
- FORMER MIDTOWN SERVICE STATIONUnderground Storage Tanks · 2000 ft
- DWAYNE'S CAR WASHUnderground Storage Tanks · 2000 ft
- CANTON R-V SCHOOL DISTRICTBrownfields · 2000 ft
- LEWIS COUNTY MOTOR COUnderground Storage Tanks · 2000 ft
- CANTON SCHOOL DISTRICT R-VUnderground Storage Tanks · 2000 ft
- PICK A DILLY # 9Underground Storage Tanks · 2100 ft
- CASEYS GENERAL STORES #2411Underground Storage Tanks · 2100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Canton'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 Canton.
Total Sites
58
within ~10 miles of Canton
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Canton
Severity Distribution
within ~10 miles of Canton
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Canton, Underground Storage Tanks runs higher than the national average — 43 sites within ~10 miles of Canton. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Canton
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 Canton average
Your land is one point inside Canton
Everything above resolves to Canton as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Canton Average
Canton Average
- ●USDA Zones 6a, averaged across Canton
- ●One soil character for all of Canton
- ●Frost dates read at Canton's scale: Mar 30 to Nov 3
YOUR Parcel
- ✓Your exact zone, not Canton's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Canton
Pull a site-specific report for your exact address in Canton, Missouri — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Canton averages can't show:
We read public map data around Canton — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Canton average
How we know this about Canton
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 Canton’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 Canton
When does frost risk typically end in Canton?
The last hard freeze (28°F) in Canton typically lands around Mar 30, 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 20.
When is the first frost in Canton?
The first hard freeze (28°F) in Canton typically arrives around Nov 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 20, so the watching starts about Oct 4 — about 218 days after the spring freeze cleared.
How long is the growing season in Canton?
Measured between 28°F hard freezes, Canton sees about 218 frost-free days — roughly Mar 30 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 20 to Oct 20, about 183 days.
Is the soil safe to grow vegetables in Canton?
The federal record around Canton is a meaningful one — 58 documented sites, mostly Underground Storage Tanks entries (43), the nearest Underground Storage Tanks record about 0.3 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 Canton?
From about Oct 4 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Canton's scale — its 6a band and its 218-day season. Your yard writes its own version of Canton'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 Canton’s own scale
6 of the readings below were taken at Canton's own scale — its own ~218-day season between 28°F freezes, the 1,462 acres it covers and 58 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Canton's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Canton's own 28°F hard-freeze dates, about Mar 30 and Nov 3 and the ~218-day span between themNOAA 1991–2020 Climate Normals
- 58 documented contamination sites on the federal record near Canton, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Canton's boundary and the 1,462 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~218-day seasonGrowable Ground crop-matching engine
- The ecoregion at Canton's own centroid, the Central Irregular PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Canton's 1,462 acres read through its county's SSURGO summaryfrom Lewis County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lewis County
- The growing challenges every Missouri grower plans around — written at state scale, so they stay on the state guidefrom Missouri
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Lewis County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Canton's 1,462 acreswhy one lot differs from the next →
- Which side of Canton you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,462 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 Canton-wide figureread your own land →
More in Missouri
Wider growing context
What grows across MissouriCanton sits outside our named growing regions, so Missouri as a whole is its closest context here.
Nearby growing guides