canna [Cannova Rose]

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

Remove spent flower stalks to encourage further flowering

Propagate by division in spring, or by sowing seed in spring. The seed needs to be chipped or soaked in warm water for 24 hours prior to sowing

May be susceptible to slugs, snails and glasshouse red spider mite

May be susceptible to Canna viruses