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Perennials & Annuals - Australia

Cannas'

19 years ago

We planted a single red canna rhizome last spring and now its multiplied to 5 flower stalks. I would like to lift and divide and replant it now so that there will hopefully be a further increase before winter which will give us enough of them for a bed of cannas next spring. Is now the right time to lift and divide them?

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Comments (3)

User
19 years ago
Because I live in Queensland I do it anytime, actually I have to lift them often and throw them away as they multiply so thick and fast here.

But you live down south so should lift and divide in the late winter or spring, if you do it now there might not be enough warm weather for them to shoot again so its best you leave them alone and let them do what they need to do so they can be divided later. E-mail me if you want some seeds.

MM.
hank
Original Author
19 years ago
Thanks Misty, sounds like good information to me.
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The plant has to expend energy to form seeds, so in theory at least, removing the pods as soon as they begin to develop would prompt the plant to put the energy no longer needed for making seeds into making more flowers. Once the pods are mature, it would make no difference at all whether they are removed or not because the plant is no longer providing any nourishment to them at that time. That's why the capsules turn brown. In either case, the rhizome keeps developing continuously as long as its environmental needs are met.
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jancol04
18 years ago
Hi all

Don't know if anyone can help but I seemed to have a whole lot of what look like wild miniature cannas, they're red with a very small insignificant flower. They come up ebverywhere. I think many of the seeds are dropped by birds.Does anyone know what they are please?
Jan

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