How to Grow and Care for Hardy canna

Hardy canna, also known as Powdery thalia

Hardy canna thrives in wet environments and is particularly suited for planting along pond margins or in shallow water, making moisture availability a key care point. It prefers full sunlight for optimal growth and flowering. Special care includes winter protection in colder climates, as it is sensitive to frost.

Watering schedule: Twice per week

Sunlight Requirements: Full sun

In This Article

Planting and Growing Hardy canna

Toughness	Medium
Care Level	High
Care Difficulty	Easy
Lifespan	Perennial
Watering Schedule	Twice per week
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	5.5-7.5
Planting Time	Mid spring, Late spring, Early summer
Hardiness Zones	6-11

A Botanist in Your Pocket

Scan QR code to download

Common Pests & Diseases

Feedback

Common issues for Hardy canna based on 10 million real cases

Plant disease auto-diagnose & prevention

AI-powered plant doctor helps you diagnose plant problems in seconds.

Download the App for Free

More General Info About Hardy canna

Feedback

Quickly Identify Hardy canna

Feedback

Instantly identify plants with a snap

Snap a photo for instant plant ID, gaining quick insights on disease prevention, treatment, toxicity, care, uses, and symbolism, etc.

Download the App for Free

Hardy canna displays a striking appearance with its spike of small purple flowers that rise prominently above the foliage during summer. It boasts elegant, heart-shaped leaves attached to lengthy petioles reaching up to about 6 feet (183 cm) tall, bearing resemblance to Strelitzia leaves. Its growth is characterized by a moderate spread through rhizomes. This plant thrives well in damp conditions and can tolerate being submerged to a depth of roughly 18 inches (45 cm). Its leaves and flowers are supported above the water in full sun to light shade environments.