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Overwinter cannas in-ground in Maryland?

Posted by hairmetal4ever Z7 MD (My Page) on
Tue, Sep 17, 13 at 9:32

Has anyone successfully overwintered Cannas in the ground in the Baltimore/Washington area in MD? Some catalogs rate them as z7 but I've heard others in the area say they die even over mild winters here.


Follow-Up Postings:

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RE: Overwinter cannas in-ground in Maryland?

Probably a lot depends on how bad the winter is and where exactly they are planted. Even around here I've heard of people overwintering them, usually when they're planted up close to a foundation or south facing wall. You might have a pretty good chance!
Older varieties might be hardier, they seem more solid and go dormant more than some of the newer hybrids which try to keep growing all year.


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RE: Overwinter cannas in-ground in Maryland?

I read after posting this that it's the cold/wet/clayey soil combo that kills them moreso than freezing here. They basically rot.


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RE: Overwinter cannas in-ground in Maryland?

Hi,

Don't have cannas myself but the garden across the way has them come back each year. They are on a sloping lawn with good drainage.


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RE: Overwinter cannas in-ground in Maryland?

Unless it's a very sheltered location, I wouldn't risk overwintering unless you have stock that you wouldn't mind losing. Since it's difficult to find virus-free stock of some cultivars, I would at least dig some.


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RE: Overwinter cannas in-ground in Maryland?

  • Posted by dbarron Z6/7 (Oklahoma) (My Page) on
    Tue, Nov 26, 13 at 4:06

I had Canna Pretoria for years (7 or more) in Oklahoma in ground. Even survived the little ice age where we were -27F (with a heavy snow blanket) a couple years ago.


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RE: Overwinter cannas in-ground in Maryland?

From southern Frederick County, MD - not once have cannas ever wintered over for me, and I've tried about five times now. Oddly, callas will come through nicely, because I lost track of them after frost.


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