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Nov 14, 2014 7:30 AM CST
|@eclayne - This comment is going to be my working document to overwintering a canna plant that I acquired this summer.
I had this in a pot all summer and although it had spectacular, healthy foliage, there wasn't even the hint of a flower stalk. Now the foliage is dying back a bit. Should I cut the dying foliage back and leave the healthy looking leaves alone? When you say you cut back the foliage about once a month did you go real short, ground level or just trim some older stuff?
I'll put it away till spring and then plant in the ground.
Did you have the same success in subsequent years after this comment was written in 2012?
If you don't lose some plants to the weather this year, you aren't trying hard enough. - Glenn Hasulak
Nov 14, 2014 10:06 AM CST
Plants Admin Emeritus
|I've come to think of this as preventing the soil, or other medium, from completely drying out as opposed to keeping it moist.
vbprog said:Should I cut the dying foliage back and leave the healthy looking leaves alone? When you say you cut back the foliage about once a month did you go real short, ground level or just trim some older stuff?
After lifting and cleaning the rhizomes I remove the foliage and continue to remove new growth near the soil/medium level.
vbprog said:Did you have the same success in subsequent years after this comment was written in 2012?
The method continued to work fine. An additional method I've successfully tried is storing rhizomes in moist peat in open plastic bags. Check the Peat occasionally and moisten as required. I've seen a video where the rhizomes are stored in moist horticultural sand (whatever that is).
Since I haven't overwintered potted Canna I'm guessing that watering once/month, or so, will work just fine.
I should note that the only Canna I overwintered last year was City of Portland. The others had a virus and I disposed of them. Based on good advice I received here I ended up disposing of the CoP as well, they did come through the winter fine though. I'll be ordering replacements this spring.
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