Canna

A brief introduction

The canna (Canna indica and related hybrids) is a bold and exotic-looking plant admired for its large, lush leaves and vibrant, iris-like flowers. Native to tropical and subtropical regions of the Americas, cannas bring a dramatic, almost jungle-like feel to gardens. They are commonly grown in flower beds, borders, and containers, where their striking colors and foliage create a stunning visual impact.

Popular varieties

Canna indica ~ A classic species with bright red or orange flowers and broad green leaves, often used as the base for many hybrids.

Canna 'Tropicana' ~ Known for its spectacular striped foliage in shades of green, purple, and orange, paired with vivid orange blooms.

Canna 'Pretoria' ~ Features golden-yellow striped leaves and bright orange flowers, making it a standout in any garden.

Soil

Cannas prefer rich, well-draining soil with plenty of organic matter. Adding compost or well-rotted manure helps support their rapid growth and abundant flowering. They enjoy consistently moist soil but should not be left in waterlogged conditions.

Light

These plants thrive in full sun and require plenty of light to produce their best blooms. While they can tolerate partial shade, flowering may be reduced if they do not receive enough sunlight.

Watering

Cannas are moisture-loving plants and benefit from regular watering, especially during warm weather. Keep the soil evenly moist, particularly during the growing season, but ensure good drainage to prevent root rot.

Care

Cannas grow from rhizomes, which should be planted in spring after the risk of frost has passed. In cooler climates, lift and store the rhizomes indoors over winter to protect them from freezing temperatures. Remove spent flowers to encourage continued blooming, and cut back foliage after it dies down. Feeding with a balanced fertilizer during the growing season will promote lush growth and vibrant flowers.

Good for pollinators: Yes

Toxic to pets: No

Fragrant: No

Care difficulty: Moderate