Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Gold Yellow | Green | ||
| Autumn | Gold Yellow | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Cannaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Canna are rhizomatous herbaceous perennials with erect stems bearing ovate leaves, with showy flowers with showy petal-like staminodes and small, coloured petals and sepals, borne in racemes or panicles in summer and autumn
- Name status
Accepted
How to grow
Cultivation
As a patio plant grow in pots of loamless 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
Propagation
Propagate by division of rhizomes in spring
Suggested planting locations and garden types
- Architectural
- City and courtyard gardens
- Patio and container plants
- Coastal
- Cottage and informal garden
- Sub-tropical
- Flower borders and beds
- Bedding
- Conservatory and greenhouse
Pruning
Leave to die back in autumn, deadhead flowers to prolong flowering
Pests
May be susceptible to slugs and snails, caterpillars, glasshouse red spider mite and aphids
Diseases
May be susceptible to canna viruses
Get involved
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