Canova, South Dakota, sits in USDA hardiness zone 5a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
A short list that earns its place here — cabbage, cranberry, lavender, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Canova, 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 Canova 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 Canova — soil, climate, flood, and parcel records. How we handle your address.
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Canova — the short answer
Canova, South Dakota: USDA zone 5a, about 176 days between hard freezes, across 201 acres of town.
- USDA zone
- 5a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 21
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~176
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 201 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 5a is Canova's average, not your lot's — a low corner or a tree line moves it. Against Canova's 176-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Canova
Each reading below is measured for Canova itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredCanova runs about 176 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredCanova sits in USDA hardiness zone 5a.
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 Canova is in
Canova sits in the Northern Glaciated Plains — EPA Level III, inside the wider Great Plains. That is read at Canova's own centroid rather than borrowed from Miner County.
What Grows in Canova
Every plant below cleared Canova's own zone 5a and its 176-day season. Each card opens that plant's South Dakota profile. How we score.
Is it too late to plant in Canova?
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 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 21 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 14 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
What's on the federal record near Canova
Closest first, within ~10 miles of Canova. Listing isn't leaking, and distance isn't exposure.
- 105N56W24CDBA2Nitrate · 200 ft
- 105N56W24CDBANitrate · 200 ft
- CANOVA COOPUnderground Storage Tanks · 550 ft
- TM RURAL WATER DISTRICTPFAS · 2.0 mi
- 105N56W21AAAANitrate · 2.4 mi
- 104N56W17BAABNitrate · 5.8 mi
- DOUBLE T TRUCKSTOPUnderground Storage Tanks · 6.8 mi
- SOUTH BOW (USA) LP ROSWELL PUMP STATIONBrownfields · 7.2 mi
- 104N57W11ABNitrate · 7.4 mi
- 104N55W27BABBNitrate · 7.5 mi
- 105N55W 1AAAANitrate · 7.6 mi
- 105N57W10CDDDNitrate · 8.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Canova'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 Canova.
Sources Checked
within ~10 miles of Canova
Severity Distribution
within ~10 miles of Canova
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Canova, Nitrate runs higher than the national average — 46 sites within ~10 miles of Canova. That's not a problem with your land — it's information about 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 Canova
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 Canova average
Your land is one point inside Canova
Everything above resolves to Canova as a whole — one PHZM band and one 28°F frost record, read across 201 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 Canova Average
Canova Average
- ●USDA Zones 5a, averaged across Canova
- ●One soil character for all of Canova
- ●Frost dates read at Canova's scale: Apr 21 to Oct 14
YOUR Parcel
- ✓Your exact zone, not Canova's 5a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Canova
Pull a site-specific report for your exact address in Canova, South Dakota — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Canova averages can't show:
We read public map data around Canova — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Canova average
How we know this about Canova
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 Canova’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 Canova
When does frost risk typically end in Canova?
The last hard freeze (28°F) in Canova typically lands around Apr 21, 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 May 12.
When is the first frost in Canova?
The first hard freeze (28°F) in Canova typically arrives around Oct 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Sep 30, so the watching starts about Sep 14 — about 176 days after the spring freeze cleared.
How long is the growing season in Canova?
Measured between 28°F hard freezes, Canova sees about 176 frost-free days — roughly Apr 21 through Oct 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 12 to Sep 30, about 141 days.
Is the soil safe to grow vegetables in Canova?
The federal record around Canova shows 62 documented sites, mostly Nitrate entries (46), the nearest Nitrate record under a tenth of a mile out — a typical footprint for a growing area, and proximity to a documented site is information, not a diagnosis of any one yard. It's worth seeing which recorded sites sit closest to where you grow, and testing the soil before new food beds near any of them.
How do I protect my plants from frost in Canova?
From about Sep 14 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Canova's scale — its 5a band and its 176-day season. Your yard writes its own version of Canova'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 Canova’s own scale
6 of the readings below were taken at Canova's own scale — its own ~176-day season between 28°F freezes, the 201 acres it covers and 62 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Canova's own USDA hardiness band, zones 5aUSDA PHZM 2023
- Canova's own 28°F hard-freeze dates, about Apr 21 and Oct 14 and the ~176-day span between themNOAA 1991–2020 Climate Normals
- 62 documented contamination sites on the federal record near Canova, the closest Nitrate record under a tenth of a mile out from the town centreFederal environmental registers
- Canova's boundary and the 201 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5a and a ~176-day seasonGrowable Ground crop-matching engine
- The ecoregion at Canova's own centroid, the Northern Glaciated PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Canova's 201 acres read through its county's SSURGO summaryfrom Miner County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Miner County
- The growing challenges every South Dakota grower plans around — written at state scale, so they stay on the state guidefrom South Dakota
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Miner County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Canova's 201 acreswhy one lot differs from the next →
- Which side of Canova you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 201 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate 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 Canova-wide figureread your own land →
More in South Dakota
Wider growing context
What grows across South DakotaCanova sits outside our named growing regions, so South Dakota as a whole is its closest context here.
Nearby growing guides