About
Canna 'Tropical Yellow' is a robust, clump-forming perennial that reaches heights of up to 80 cm. It features large, dark green foliage and produces vibrant yellow blooms adorned with subtle red spots and streaks. These flowers typically emerge from midsummer and continue to flourish until mid-autumn.
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, Partial shade
- 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
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Architectural, Patio and container plants, 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
- Remove dead flowers individually to promote continued flowering. Leave to die back 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