Canna Tropicanna Black ('Lon01'PBR)
canna [Tropicanna Black]
A clump-forming perennial to 1.5m tall with very dark green leaves and stems flushed with very dark purple, almost black. Bright red flowers fading to orange appear from early summer to mid-autumn
Size
Ultimate height
1–1.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Purple | |||
|---|---|---|---|---|
| Summer | Red | Green Purple | ||
| Autumn | Red | Green Purple | ||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Cannaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- 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
Trade
How to grow
Cultivation
Outdoors grow in a sheltered site in fertile soil in full sun, planting in early summer once frosts have passed. Water freely in dry weather and apply a high potassium fertiliser monthly. Lift the rhizomes in autumn when frost blackens the foliage. Store over winter in barely moist peat-free potting mix or leaf mould in frost-free conditions. In mild areas leave in the ground but cover with a dry mulch. See canna cultivation
Propagation
Propagate by division in early spring
Suggested planting locations and garden types
- Architectural
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
Pruning
Remove dead flowers individually to promote continued flowering. Leave to die back in autumn
Pests
Maybe susceptible to glasshouse red spider mite, slugs and caterpillars
Diseases
May be affected by canna viruses
Get involved
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