Canna: Canna indica

This plant is native to Central-America. The long, decorative leaves and up to 1.5 m (5 ft) tall flower stems develop from the creeping rhizomes of this marsh-plant. The flowers come in a large range of colours. They need a warm, sunny position, sheltered from the wind. In summer, they need large amounts of water and generous weekly applications of fertilizer. Dead blooms should be removed regularly. The rhizomes can easily be divided in late winter and spring, making sure that each piece has two or three eyes. Damaged parts can be protected from rotting by dusting with charcoal. In autumn, the dead leaves and dried stems are cut back to 10-20 cm (4-8 in) from the ground and the rhizomes are lifted and stored in a cool, dry place at 5-10° C (41-50° F). If it is too damp, the rhizomes will develop grey mould. Cannas are prone to attacks by spicier mites, greenfly and snails.

20. May 2014 by Dave Pinkney
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