Can I Grow Canna Lily in South Dakota?

USDA Zones 4a-5b · Plant zone range 7-11

Unlikely — Zone Mismatch

canna lily (zones 7-11) does not overlap with South Dakota's zone range (4a-5b). Growing outdoors is unlikely without significant protection.

2 zones short — what would close it

Canna Lily is hardy to zone 7, and the warmest ground in South Dakota is zone 5 — 2 zones short. Planted in open ground it will not survive a South Dakota winter. To grow it here, grow canna lily in an earth-sheltered greenhouse — its modeled 2.5-zone lift covers this gap.

An earth-sheltered greenhouse is the lift this needs. How a greenhouse changes what you can grow →

Zone math from 7-11 (plant) against 4-5 (South Dakota). Lift modeled by crop_engine.GREENHOUSE_ZONE_MODIFIER_BY_SUBTYPE['earth_sheltered'] (+2.5 zones) via api/fast_sections.py Unlock Engine v2.

Canna Lily in South Dakota — the short answer

Canna Lily in South Dakota: hardy in zones 7–11, full sun, against a state median of ~168 frost-free days.

Plant zones
7-11
Manual horticultural correction (source not retained); NC State Extension and Missouri Botanical Garden, with the remaining rows from other published sources or Growable Ground compilation
South Dakota zones
4a-5b
USDA PHZM 2023
Frost window
Apr 22 - Apr 29 – Oct 9 - Oct 15
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
145 days
NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS and university Extension sources — per-field provenance varies and is published with the dataset.

Score your parcel · free

Your yard isn't the whole zone.

South Dakota spans zones 4a-5b, but your yard has its own microclimate — slope, trees, and low spots shift frost and sun across a single parcel. Enter your address and we'll score canna lily against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

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South Dakota is not one climate

South Dakota’s winter-low ladder runs across 66 counties, from zone 4 in Brown County to zone 5.5 in Custer County. That is 15°F between the two counties’ average coldest night — the difference between canna lily overwintering in the ground and coming under cover.

4 zonesBrown County5.5 zonesCuster County

The middle half of 66 counties runs 4.55 zones, with a median of 4.5 zones — a 1.5-zone span end to end.

Measured across 66 South Dakota counties. USDA PHZM 2023, per county. Quartiles are order statistics — every figure shown is a value a real county recorded, not an interpolation. Your own site sits somewhere inside this range; a parcel report resolves where.

Where Canna Lily Stands in South Dakota

Canna Lily is rated for zones 711 — a cold floor USDA puts at 0 to 10°F. No South Dakota county sits inside it, so in open ground this is a grown-under-cover plant here rather than a bed plant — which is a statement about South Dakota winters, not about canna lily.

Below the zone 7 floor

66 counties

3 of 66 shown

Winter cold is the limit here — the same plant works in a container that comes under cover.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. A zone is a 10°F band of average annual extreme minimum temperature, so the floor above is the band the plant's rating denotes, not a single measured kill point. Slope, shelter and cold-air drainage routinely move a site half a zone either way from its county figure — which is the part only your address resolves.

Zone Comparison

Canna Lily Needs

  • USDA Zones: 7-11
  • Sun: Full Sun
  • Mature size: 5 ft tall
  • Picking window: ~60 days of harvest
  • Drought tolerance: Medium

South Dakota Has

  • USDA Zones: 4a-5b
  • Last Hard Freeze (28°F): Apr 22 - Apr 29
  • First Hard Freeze (28°F): Oct 9 - Oct 15
  • Annual Rainfall: 14-26 inches
  • Common Soils: Prairie loam, Clay, Sandy loam

Plant Zone Range (zones 7-11)

7a
11b
3a (Cold)13b (Hot)

Preferred Soil pH

3.5 (Acidic)7.0 (Neutral)9.0 (Alkaline)
Highlighted range: pH 5.08.0

Plant data: Growable Ground Plant Database, compiled from FAO ECOCROP, USDA PLANTS, and university Extension sources — per-field provenance varies and is published with the dataset. State data: USDA ARS PHZM 2023, NOAA Climate Normals, NRCS SSURGO.

When to Plant Canna Lily in South Dakota

The frost window

Across South Dakota, the last spring hard freeze (28°F) clears between Apr 22 and Apr 29, and the first fall hard freeze lands between Oct 9 and Oct 15 (NOAA Regional Climate Centers ACIS, 1991-2020). Counting from the latest last freeze to the earliest first freeze, that's a 163-day window you can count on — up to 176 days on a mild site in a kind year. That marks the hard freeze, not the last light frost, so tender transplants usually wait another 2-3 weeks.

When to start the seed

Those dates are when canna lily goes out, not when it starts. It is sown under cover about 8 weeks ahead, so counting back from South Dakota's late-side last freeze of Apr 29 is what fixes your sowing date — and a yard that clears frost earlier than the state's late date starts earlier still.

Timing tuned to sub-state frost dates — Lawrence County, not the statewide average.

Frost window: NOAA Climate Normals 1991-2020. Plant timing fields: Growable Ground Plant Database — frost-free days from FAO ECOCROP, days to harvest from university Extension production guides, and growing-degree-day and chill-hour minimums that are compilation estimates rather than published figures. Your site's own frost dates can run earlier or later than the state range — a parcel report pins them down.

Soil + Drainage Fit

Canna Lily tolerates a wide pH range (pH 5-8) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in South Dakota. A soil test is still worth having, but for what else it tells you about this site, not to clear this plant. It will grow across that whole span, but it does best between pH 5.5 and 7.5 — worth knowing before you decide whether a South Dakota soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your South Dakota site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

South Dakota's soils run mostly loam, but SSURGO maps the series, texture, and drainage under your exact parcel. Canna Lily needs about 59 inches of workable depth, so it is that horizon — not the surface — you are testing for. That map unit, not the state average, decides how canna lily performs.

Check your parcel → Source: USDA NRCS SSURGO.

Plant pH requirements: FAO ECOCROP and USDA PLANTS, with the remaining rows from other published sources or Growable Ground compilation. Drainage: FAO ECOCROP, with the remaining rows from other published sources or Growable Ground compilation. South Dakota soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

What Else to Consider for Canna Lily in South Dakota

Zone compatibility tells you about winter cold survival — but South Dakota growers also need to think about:

Extreme cold and short growing season

Low rainfall in western SD

Wind exposure on the open prairie

Growing canna lily here specifically

Canna Lily wants pH 5.0–8.0 and rates to USDA zones 7–11, but South Dakota's soils are dominantly loam — the fit is decided by your parcel's own map unit, not the state average.

Match canna lily to your parcel's SSURGO map unit — test pH and texture, and amend toward its 5.0–8.0 range. How to handle it →

What to actually do about these — and the constraints that apply to every South Dakota grower, not just canna lily — is covered on the South Dakota growing guide.

Timing shifts within South Dakota

South Dakota isn't one climate. In Lawrence County, the last hard freeze (28°F) holds until about May 12 — roughly 17 days later than the recorded state median — so plant canna lily to your county's window, not the statewide date.

County last-freeze dates: NOAA Regional Climate Centers ACIS (1991-2020), county 28°F freeze (earlier than the folk 32°F "last frost"). A parcel report resolves your address's own frost dates.

Where in South Dakota Canna Lily Is Zone-Hardy

Canna Lily is rated for USDA zones 711. No South Dakota county reaches it. Even Custer County, the state’s mildest winter at zone 5b, sits below the plant’s zone 7 floor — so in open ground this one needs winter protection here, or a container that comes under cover.

Across those 66 counties South Dakota’s winter-low ladder runs from zone 4a in Brown County to zone 5b in Custer County 1.5 USDA zones of spread, which is 15°F between the two counties’ average coldest night of the year. None of that range reaches the band canna lily needs, so here the statewide answer really is the answer.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. Canna Lily’s zone 711 band: USDA PLANTS / Growable Ground plant database. A parcel report resolves your address’s own zone and frost dates rather than its county’s.

Pollinator + Wildlife Value

Canna Lily draws hummingbirds and native bees (moderate value, Growable Ground Plant Database). Planting it near vegetable beds can lift fruit set on neighboring crops. Outdoors, canna lily can only work that bloom inside South Dakota's frost window — roughly 168 days, opening after the last 28°F freeze (Apr 22 - Apr 29) and closing at the first (Oct 9 - Oct 15), per NOAA Regional Climate Centers ACIS, 1991-2020.

Recommended Canna Lily Varieties for South Dakota

South Dakota publishes no state variety trial for canna lily, so we won't invent a "best for South Dakota" list. Choose types rated to your USDA hardiness zone (4a-5b), and confirm winter survival and drainage against your own parcel.

South Dakota Cooperative Extension

For South Dakota-specific cultivar recommendations, planting calendars, and pest pressure for canna lily, the canonical source is SDSU Extension. Their fact sheets carry the local trial data we can't generalize across 50 states.

Common Questions About Growing Canna Lily in South Dakota

When can I plant Canna Lily in South Dakota?

South Dakota's last spring hard freeze (28°F) clears between Apr 22 and Apr 29, and the first fall hard freeze lands between Oct 9 and Oct 15 (NOAA Regional Climate Centers ACIS, 1991-2020). Time outdoor planting to after the last hard freeze for your specific site — a further two to three weeks for anything tender — and count back from those dates for transplant scheduling.

What hardiness zone is Canna Lily grown in across South Dakota?

South Dakota spans USDA hardiness zones 4a-5b (USDA ARS PHZM 2023). Canna Lily carries a range of zones 7-11, so the overlap zones are where outdoor growing is most reliable.

How many frost-free days does a typical South Dakota site have?

A typical South Dakota site sees ~168 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Canna Lily should be matched against that window, so check whether your local microclimate runs above or below the state average before settling on a planting date. In cooler counties like Lawrence, the freeze-free season runs shorter than the state average, so verify your own county's window.

How should I amend the soil for Canna Lily in South Dakota?

Canna Lily tolerates pH 5-8 and well (dry spells) drainage (FAO ECOCROP). That is a 3-unit span, acid ground through alkaline, so pH is rarely what limits this plant on a South Dakota site — amend for drainage and organic matter first.

Will Canna Lily actually grow on my specific land in South Dakota?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores canna lily against your address's exact soil pH, drainage, sun, and frost-date data drawn from USDA SSURGO, NOAA, and PRISM — not state averages.

Free Report

Check your specific parcel in South Dakota

State-level data is a sketch. Your Growable Ground report scores canna lily against your parcel's exact soil, sun, drainage, and frost data — not zone averages.

Three things about your lot that South Dakota canna lily averages can't show:

Your soil pHYour frost-free days — South Dakota averages 168Your sun & shade

We read public map data around South Dakota — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the South Dakota canna lily average

Explore More

Explore South Dakota county by county

South Dakota carries 66 counties with their own USDA zone — a sample of the growing pages for canna lily there:

Where else canna lily grows

Canna Lily's zone band crosses state lines — these are the states closest to South Dakota in winter climate where it also has a page, plus the far ends of its range. Each one re-answers the question with that state's own record.

More to grow in South Dakota

South Dakota has a growing page for 747 plants — a rotating sample of the rest of the shelf.

Analysis by the Growable Ground research team, grounded in USDA PLANTS, USDA NRCS SSURGO, NOAA Climate Normals (1991-2020), and named Cooperative Extension sources. How we know →

Cite this dataset

Kirchick, M. (2026). Growable Ground Plant Database [Data set]. Zenodo. https://doi.org/10.5281/zenodo.21435643

Licensed CC BY-NC 4.0. DOI 10.5281/zenodo.21435643

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