Overwinter cannas in-ground in Maryland?

hairmetal4ever(Z7 MD)September 17, 2013

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.

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katob Z6ish, NE Pa

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.

    Bookmark   September 20, 2013 at 7:35PM
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hairmetal4ever(Z7 MD)

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

    Bookmark   September 20, 2013 at 11:30PM
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posierosie_zone7a__

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.

    Bookmark   October 26, 2013 at 5:53PM
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mantis__oh

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.

    Bookmark   November 16, 2013 at 6:14PM
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dbarron(z7_Arkansas)

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.

    Bookmark   November 26, 2013 at 4:06AM
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latami(z6-7MD)

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.

    Bookmark   December 22, 2013 at 8:30PM
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hairmetal4ever(Z7 MD)

Callas overwinter for my dad in NE Ohio. Although they're within a foot of the house.

    Bookmark   January 11, 2015 at 3:23PM
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