canna lily (indica) (Canna indica), photographi

Can I Grow Canna Lily Indica in Minnesota?

USDA Zones 3a-5a · Plant zone range 7-11

Unlikely — Zone Mismatch

canna lily (indica) (zones 7-11) does not overlap with Minnesota's zone range (3a-5a). Growing outdoors is unlikely without significant protection.

2 zones short — what would close it

Canna Lily Indica is hardy to zone 7, and the warmest ground in Minnesota is zone 5 — 2 zones short. Planted in open ground it will not survive a Minnesota winter. To grow it here, grow canna lily indica 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 3-5 (Minnesota). 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 Indica in Minnesota — the short answer

Canna Lily Indica in Minnesota: hardy in zones 7–11, full sun, against a state median of ~174 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
Minnesota zones
3a-5a
USDA PHZM 2023
Frost window
Apr 19 - Apr 30 – Oct 10 - Oct 17
NOAA RCC ACIS 1991-2020, 28°F
Shortest county season
137 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.

Minnesota spans zones 3a-5a, 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 indica 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.

No card required · your full report in seconds

Minnesota is not one climate

A single Minnesota answer averages 87 counties whose growing seasons are 62 days apart — from 137 frost-free days in Lake County to 199 in Ramsey County. Which end of that your land sits nearer changes what canna lily indica can finish before the first hard freeze.

137 daysLake County199 daysRamsey County

The middle half of 87 counties runs 162181 days, with a median of 174 days — a 62-day span end to end.

Measured across 87 Minnesota counties. NOAA Regional Climate Centers ACIS, 1991-2020, county 28°F killing freeze. 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 Indica Stands in Minnesota

Canna Lily Indica is rated for zones 711 — a cold floor USDA puts at 0 to 10°F. No Minnesota 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 Minnesota winters, not about canna lily indica.

Below the zone 7 floor

87 counties

3 of 87 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 Indica Needs

  • USDA Zones: 7-11
  • Sun: Full Sun
  • Picking window: ~60 days of harvest

Minnesota Has

  • USDA Zones: 3a-5a
  • Last Hard Freeze (28°F): Apr 19 - Apr 30
  • First Hard Freeze (28°F): Oct 10 - Oct 17
  • Annual Rainfall: 19-34 inches
  • Common Soils: Prairie loam, Clay, Sandy outwash

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 Indica in Minnesota

The frost window

Across Minnesota, the last spring hard freeze (28°F) clears between Apr 19 and Apr 30, and the first fall hard freeze lands between Oct 10 and Oct 17 (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 181 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 indica goes out, not when it starts. It is sown under cover about 8 weeks ahead, so counting back from Minnesota's late-side last freeze of Apr 30 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 — Lake 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 Indica tolerates a wide pH range (pH 5-8) — 3 units, acid ground through alkaline — so soil acidity is rarely what limits it in Minnesota. 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 Minnesota soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Minnesota site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

Your land, not the state average

Whether canna lily indica is safe to eat from Minnesota soil is a block-by-block question, not a town-wide one — 59,092 documented contamination sites mean levels spike on some parcels and not the one next door. Canna Lily Indica roots to about 59 inches, so it is the top 59 inches under your address that decide what it takes up, so only a test on your address settles it.

Check your parcel → Source: USDA NRCS SSURGO + EPA/state contamination databases.

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. Minnesota soil profile from USDA NRCS SSURGO. Site-specific verification: a 30-minute soil test from your local Extension lab.

Before you plant canna lily indica for food

Anything you grow to eat takes up what is in the ground it grows in, so what is on record near you is worth knowing before canna lily indica goes in. What follows is Minnesota’s documented federal record at state scale — a screening signal, not a soil test, and not a statement about any one lot.

Safe to Grow Here?

What the federal record shows across Minnesota — and how to grow with it.

Federal record: High

We checked the federal record across Minnesota59,092 documented sites across 8 of the 9 source types we track.

The most significant on record: 172 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Minnesota carries one of the heavier federal records we track — and that's not a verdict on your yard. Proximity to a documented site is information, not a diagnosis: nothing here says any particular parcel is affected. It does earn one concrete step — before food beds go in the ground, a professional soil test tells you exactly what you're working with, and raised beds with clean imported soil grow well almost anywhere in the meantime.

Know before you grow — the guide

Sources Checked

across Minnesota

Severity Distribution

across Minnesota

High199Moderate17,972Low40,921

Highest-Severity Sites

Superfund · Superfund NPL
Superfund · Superfund NPL
Superfund · Superfund NPL
PFAS Sampling · PFAS Detected
PFAS Sampling · PFAS Detected

A note from Gnorman

What an experienced grower watches for around here

In and around Minnesota, two things run higher than the national average across Minnesota — CAFO (1,010 sites) and Brownfields (29,697 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

CAFO: CAFOs pose a different contamination profile than chemical sources.

Brownfields: Brownfield sites are former commercial or industrial properties where legacy soil contamination (heavy metals, PAHs, petroleum compounds) may persist.

Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.

Check EPA brownfield remediation status — many sites have completed cleanup with institutional controls.

Sources: EPA, USGS1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Canna Lily Indica in Minnesota

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

Extreme cold (zone 3a: -40F) limits many species

Short growing season (100-140 frost-free days)

Heavy clay soils in the Red River Valley

Growing canna lily indica here specifically

Because you eat the root of canna lily indica that sit in the soil, contamination matters more than for most crops — Minnesota has 59,092 documented sites, and lead concentrates block by block, not town-wide.

Test your soil for lead first, and raise canna lily indica in clean imported soil if the reading is high. How to handle it →

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

Timing shifts within Minnesota

Minnesota isn't one climate. In Lake County, the last hard freeze (28°F) holds until about May 14 — roughly 23 days later than the recorded state median — so plant canna lily indica 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 Minnesota Canna Lily Indica Is Zone-Hardy

Canna Lily Indica is rated for USDA zones 711. No Minnesota county reaches it. Even Watonwan County, the state’s mildest winter at zone 5a, 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 87 counties Minnesota’s winter-low ladder runs from zone 3b in Beltrami County to zone 5a in Watonwan 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 indica needs, so here the statewide answer really is the answer.

County hardiness zones: USDA Plant Hardiness Zone Map (PHZM) 2023, per county. Canna Lily Indica’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 Indica 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 indica can only work that bloom inside Minnesota's frost window — roughly 174 days, opening after the last 28°F freeze (Apr 19 - Apr 30) and closing at the first (Oct 10 - Oct 17), per NOAA Regional Climate Centers ACIS, 1991-2020.

Minnesota Cooperative Extension

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

Common Questions About Growing Canna Lily Indica in Minnesota

When can I plant Canna Lily Indica in Minnesota?

Minnesota's last spring hard freeze (28°F) clears between Apr 19 and Apr 30, and the first fall hard freeze lands between Oct 10 and Oct 17 (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 Indica grown in across Minnesota?

Minnesota spans USDA hardiness zones 3a-5a (USDA ARS PHZM 2023). Canna Lily Indica 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 Minnesota site have?

A typical Minnesota site sees ~174 frost-free days per year (derived from NOAA Regional Climate Centers ACIS, 1991-2020). Canna Lily Indica 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 Lake, 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 Indica in Minnesota?

Canna Lily Indica 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 Minnesota site — amend for drainage and organic matter first.

Will Canna Lily Indica actually grow on my specific land in Minnesota?

State-level zone + climate data is a sketch. A Growable Ground parcel report scores canna lily indica 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 Minnesota

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

Three things about your lot that Minnesota canna lily indica averages can't show:

Your soil pHYour frost-free days — Minnesota averages 174Your sun & shade

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

25+ data sources read at your address, not the Minnesota canna lily indica average

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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