Can I Grow Canna Lily Indica in Hawaii?

Canna Lily Indica in Hawaii — the short answer

Zone Comparison

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 Hawaii

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 Hawaii. 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 Hawaii soil test result is a problem or just a number. Drainage matters: this plant wants well (dry spells). If your Hawaii site is heavier clay or sits in a low spot, raised beds or amendment with compost solve it.

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. Hawaii 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 Hawaii’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 Hawaii — and how to grow with it.

Federal record: High

We checked the federal record across Hawaii — 4,542 documented sites across 7 of the 9 source types we track.

The most significant on record: 86 Superfund sites. Sites tracked in EPA's Superfund program — from assessment-stage CERCLIS entries to confirmed National Priorities List cleanup sites.

Hawaii 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.

See every recorded site across Hawaii on the mapKnow before you grow — the guide

Explore the live map

Underground Storage Tanks2,571Brownfields1,483Nitrate252Toxics Release Inventory108Superfund86

Sources Checked

across Hawaii

Underground Storage Tanks

2,571

Brownfields

1,483

Nitrate Monitoring

252

Toxics Release Inventory

108

Superfund

86

PFAS Sampling

40

Concentrated Animal Feeding

2

Severity Distribution

across Hawaii

High6Moderate1,099Low3,437

Highest-Severity Sites

Del Monte Corp. (Oahu Plantation)

Superfund · Superfund NPL

Hnl-Windward-Pearl Harbor

PFAS Sampling · PFAS Detected

Barbers Point Naval Air Station

Superfund · Superfund (Non-NPL)

Barbers Point Naval Air Station

Superfund · Superfund (Non-NPL)

Bellows Air Force Station

Superfund · Superfund (Non-NPL)

A note from Gnorman

What an experienced grower watches for around here

In and around Hawaii, two things run higher than the national average across Hawaii — Superfund (86 sites) and PFAS (40 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

Superfund: Superfund sites represent the most severe contamination in the federal system.

PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.

Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).

Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.

build up with a clean-soil raised bedread your soil before you plantcontrol your inputs in containersSee what's flagged near Hawaii

Explore the contamination map around Hawaii

Sources: EPA, USGS — 1.8M documented sites tracked nationwide across 9 federal source types.

What Else to Consider for Canna Lily Indica in Hawaii

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

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

Where in Hawaii Canna Lily Indica Is Zone-Hardy

Canna Lily Indica is rated for USDA zones 7–11. No single Hawaii county falls inside it: 0 are colder than the plant’s zone 7 floor and 0 are milder than its zone 11 ceiling. A band this narrow straddles the state rather than sitting inside it.

Across those 5 counties Hawaii’s winter-low ladder runs from zone 10a-11b in Hawaii County to zone 10a-11b in Maui 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 7–11 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. Canna Lily Indica's flowers are not fenced in by a freeze date here: the 1991-2020 record resolves no 28°F killing frost anywhere in Hawaii, so what limits bloom is the plant's own cycle rather than the calendar.

Hawaii Cooperative Extension

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

Common Questions About Growing Canna Lily Indica in Hawaii