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Canna Lilies

DebbieC's picture
DebbieC

I would like to try growing large and dwarf cannas in pots on my patio this year; has anyone tried this and what size pots would be needed especially for the larger varieties?

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WENDYRECYCLER's picture
WENDYRECYCLER

What a great choice for an exclamation point of spectacular color!
Cannas are warm temp lovers. Start them indoors early - now is good. Either order from catalogues [Botanus out of Langley is superb] or visit a QUALITY Garden Center.
Start in a pot not much bigger than your root, usually a 1 gallon. Keep moist and warm. As shoots appear, ensure good light. Turn often if using a window. Pot "up" as the grow.
Cannas can be grown for their foliage or flower color. The big ones need a BIG pot - or they can be stunted. Full sun but lots of moisture. They can be used as a pond [marginal] plant. Make sure if you're doing a mixed pot that all the planned participants need the same light/moisture requirements.
Just before frost, cut down the foliage to a couple inches - get rid of flower stalks completely. Put the whole pot or just the root in a garage or basement. Light's not important but temp is - no freezing. If bare root, pack in loose, dry peat or "hamster shavings". Check through the winter and discard if rotten. Next spring, divide your plants and re-pot.

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