How to Prune Canna 'Australia'?
No pruning necessary
Canna 'Australia' · Canna 'Australia'
Grow in a sheltered site with full sun and water freely in dry spells; apply a balanced liquid feed monthly. In cold regions, this cultivar is best kept growing in winter in a warm, frost-free greenhouse or conservatory. In areas that are frost-free, leave in situ and protect with a deep dry mulch. See canna cultivation for further information
No pruning necessary