Boasting architectural foliage and flamboyant flowers, Canna ‘City of Portland’ is an exotic showstopper bursting with dramatic flair. Every aspect of this remarkable plant offers stunning ornamental interest – from the loose, ruffled waves of glowing coral-pink petals borne on soaring spires, to the enormous, lush green leaves tinted with burgundy.
Canna ‘City of Portland’ makes an impressive focal point for a summer border where they will immediately transform your garden into a tropical oasis. These tender perennials are also spectacular specimens for containers, so they can be moved easily into a sheltered location for the winter.
Start rhizomes off in a greenhouse or conservatory in spring, planting outdoors after the danger of frost has passed. Lay the root horizontally, 5 cm deep in a large pot filled with potting compost and keep the soil damp.
In late May or early June, choose a sunny location with well-drained, rich soil. Plant Cannas 10 cm deep and 30-45 cm apart. Shorter cultivars are suitable for pots.
Lift rhizomes in autumn or bring pots undercover for the winter months as tender Cannas do not tolerate freezing temperatures.