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Dividing Cannas
I lost all my Cannas in pots in an unheated Greenhouse. I have just
bought some new ones but not as many as I lost. The ones I purchased are just beginning to shoot. Can I divide them up with one shoot per division and do I have to treat the cuts? |
#2
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Dividing Cannas
On 19 Feb, 15:14, Bookworm wrote:
I lost all my Cannas in pots in an unheated Greenhouse. I have just bought some new ones but not as many as I lost. The ones I purchased are just beginning to shoot. Can I divide them up with one shoot per division and do I have to treat the cuts? On 19 Feb, 15:14, Bookworm wrote: I lost all my Cannas in pots in an unheated Greenhouse. I have just bought some new ones but not as many as I lost. The ones I purchased are just beginning to shoot. Can I divide them up with one shoot per division and do I have to treat the cuts? Hi there. May I suggest you overwinter as growing houseplants ? I was given one Canna shoot with roots from a friend 2 years ago. It's orange flowered with brown & white speckles in the throat. This was potted in John Innes, and it loved it and grew like a weed. So much so that I split it and made 3 potted plants. Two of these have been subsequently split (actually in Spring and Summer in my case) and have again grown and been given away. I live in Lancashire in the cold north-west, and they're grown and been overwintered in my heated lounge close to patio doors. Having lost so many houseplants years ago through overwatering, I've been sparse with the can at this time of year. They'll go outside for the summer, and return indoors in autumn. I've tried to stop their growth by putting them in a colder room and watering less, but was afraid they'd die off and not return. That first winter when I saw one of my giveaways in a neighbours warm lounge sporting 3ft. high growth in December, I realised that if they're happy to keep growing (albeit slowly), then I should just let them grow. I've always waited til the plant tells you when it wants splitting, ie its pushing out new shoots that then start growing a few inches. You can test if they're the right size by checking if they've got their own roots on. Just then trace the new shoot back to the parent and split or cut away, and pot in John Innes 3. I've not needed to treat the cut with anything, and no damage/disease has been caused. They're fantastic as houseplants, actually, having tall, spear-shaped leaves all year and exotic flowers in summer. As the expert Sacha says, it's probably best just to let them bulk up for a month or two, and establish a strong root system, so when you do split them, it won't affect the main plant. Good luck with yours - what colour are they ? |
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