About
Canna 'Australia' is a robust perennial that grows up to 2 meters in height, forming dense clumps. It features large, shiny leaves in a rich, dark bronze hue. From mid-summer through autumn, it produces prominent spikes adorned with vibrant dark orange-red flowers. This variety is well-suited for tropical borders.
About the genus
Canna are herbaceous perennials characterized by their rhizomatous growth and upright stems. They feature broad, oval leaves and prominent flowers that include petal-like staminodes along with smaller, colored petals and sepals. These blooms appear in clusters, such as racemes or panicles, during the summer and autumn months.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
- Plant type
- Herbaceous Perennial, Conservatory Greenhouse
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 1.5-2.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Architectural, City and courtyard gardens, Cottage and informal garden, Patio and container plants, Sub-tropical
Care notes
- Cultivation
- Grow in a sheltered site with full sun and water freely in dry spells; apply a balanced liquid feed monthly. In cold regions, this cultivar is best kept growing in winter in a warm, frost-free greenhouse or conservatory. In areas that are frost-free, leave in situ and protect with a deep dry mulch. See canna cultivation for further information
- Pruning
- No pruning required
- Propagation
- Propagate by division of rhizomes in spring
- Pest resistance
- May be susceptible to glasshouse red spider mite, aphids, slugs and snails
- Disease resistance
- May be susceptible to Canna viruses