Species

Canna x generalisCanna

16 other cultivars

perennialN. America Native

Canna Constitution

Canna x generalis 'Constitution'

The Story

Plant Bio

Canna x generalis 'Constitution' is a vigorous perennial with bold, tropical-looking foliage and large, vibrant flowers in shades of red, orange, or yellow, often with a striking, upright growth habit.

This cultivar is prized for its robust growth, disease resistance, and ability to produce abundant, showy flowers throughout the summer, making it ideal for bold garden displays and container planting.

Uses & Benefits:

Provides vibrant tropical color and lush foliage, ideal for focal points and containers.

Drought tolerant once established, reduces watering needs.

Supports pollinators with its bright flowers and attracts beneficial insects.

SpeciesCanna x generalisCanna

Essentials

At a Glance

Plant Type

Perennial

Height

54 inches

Width

24 inches

Light

Full Sun

Zones

7, 8, 9, 10

Water

Moderate to high

Humidity

Prefers humid conditions

Lifespan

Perennial in suitable zones

Native To

Garden Origin

Toxicity

Non-toxic

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck rhizomes 4 inches deep in moist, well-drained soil.
Water regularly during the growing season to keep soil moist.
Place in full sun for optimal flowering.
Apply balanced fertilizer monthly during active growth.
Divide clumps every 2-3 years in early spring for best results.
Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Plant in full sun with rich, moist soil for best blooms.

Keep It Thriving

Care Guide

Do

Tuck rhizomes in well-drained soil 🌱
Mist cuttings to encourage rooting
Fertilize monthly during growing season

Don't

Avoid waterlogged soil ❌
Don’t plant in deep shade
Skip fertilizing during dormancy

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deadhead
Fertilize
Lift Store
Plant
Winter Prep

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Bright tropical borderVivid container display

Companion Plants

Elephant Ear Zebra GrassBird of Paradise

Multiply

Propagation Methods

Good to Know

Common Questions

Canna Constitution questions

What zones can Canna Constitution grow in?

Canna Constitution is hardy in USDA Zones 7–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Canna Constitution deer resistant?

Yes — Canna Constitution is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Canna Constitution bloom?

Canna Constitution typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Canna Constitution need full sun?

Canna Constitution does best in full sun (6+ hours).