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Overwintering Canna
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Posted: Oct/01/2008 6:19 AM PST
http://www.helpfulgardener.com/phpBB2/viewtopic.ph p?t=4493 ZONE 5! Interesting link. Someone else on a post mentioned they mulch and overwinter as well. It it works, I may get some canna too! Anyone else overwinter these? |
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Posted: Oct/01/2008 6:44 AM PST
Here in zone 6 it's a cinch! I care for my neighbor's canna's, on a southwest facing slope. I don't do anything at all over winter. The biggest problem we have is how eagerly they multiply, and Nature helps thin the herd. In the late Spring, once they've begun to jump out of the ground, I still have to thin some more. Lay your mulch to the same depth as the ground typically freezes. Your cannas will survive in greater numbers than you'd like! |
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Posted: Oct/01/2008 7:37 AM PST
I'm warm enough here to not have to do anything- they grow, and grow, and grow LOL! |
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Posted: Oct/02/2008 5:53 PM PST
Stereoman, do you think you are towards the top or the bottom of Zone 6? I am definitely towards the colder part of the Zone. Someone else was talking about doing it with Dahlias. Anyone try it? |
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Posted: Oct/09/2008 9:34 PM PST
I have dahlias and cannas that are close to the foundation of the house and they overwinter in the ground nicely. Out in my yard is another matter.. maybe I did not mulch them heavy enough.. might be worth a try to do some and dig some just in case  I usually dig and store in a brown paper bag or cardboard box in the basement.. they do pretty well.. easy to do.
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Posted: Oct/10/2008 8:01 AM PST
Evonne, our climate has changed quite a bit in the last ten, fifteen years. Back in the 70's and early 80's, our climate was very much middle-6. Now it's nominally zone 7, with first frost coming at the end of Oct rather than the beginning, minimum Winter temp in the 7-10 degree range, and last frost coming by mid-April rather than early May. Used to be our ground froze to a depth of several inches in the Winter, while in recent years it has not frozen at all. Some years our tulips don't bloom. Some years our rhododendrons bloom twice. |
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Posted: Oct/12/2008 6:49 AM PST
Most of the time the cold weather does not stick around for too long. It still gets cold, but only actually snows once in awhile and then the snow is gone in a short time. This actually has a few effects that make wintering over plants more difficult. The first thing it does is it tends to rain now and then freeze overnight. I have never driven in so much ice as the past two years! Because there is no snow to protect the plants, I still lose plants. Heather, for instance, would need a lot more protection now. I don't try to grow it anymore. The other thing that happens is that we will have a cold snap that lasts for a week. Although most of the winter season is fine, if we get that one really cold snap, the plants don't make it. A few years ago we had a severe ice storm during one of those snaps and I even lost Dianthus!!! I am still planting figuring on zone 5. I attached a photo showing how the ice will form so thickly on the roof that it actually curls around the eves for about a foot before sliding off! When it comes off, it is a dangerous avalanch. I pray when I back out the car from the garage that my timing is good! Attachments:  |
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