About
Canna 'Shenandoah' is a clump-forming perennial that reaches a height of approximately 1.5 meters. It features large, paddle-shaped leaves that are bronze-red in color. During the summer and early autumn, it produces well-formed, deep pink flowers with a ruby-colored center.
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
- Bushy, Clump forming
- Foliage
- Deciduous
- Height
- 1-1.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Architectural, Patio and container plants, City and courtyard gardens, Coastal, Cottage and informal garden, Sub-tropical
Care notes
- Cultivation
- As a patio plant grow in pots of peat-free compost in a sheltered site in full sun. Plants can also be planted into a sunny border. Water freely and apply a high potassium feed every 2-3 weeks in the growing season. Lift the rhizomes in autumn when frost blackens the foliage. Store over winter in barely moist compost in frost-free conditions. See canna cultivation for further information
- Pruning
- Deadhead to promote continued flowering. Leave to dieback in autumn
- Propagation
- Propagate by division of rhizomes in early spring
- Pest resistance
- May be susceptible to aphids, glasshouse red spider mite, slugs and snails and caterpillars
- Disease resistance
- May be susceptible to canna viruses