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Cannas: how cold can cannas get?

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Forum: CannasReplies: 4, Views: 97
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tigerlily123
Raleigh, NC
(Zone 7b)

April 03, 2008
05:43 AM

Post #4749679

I am growing about 100 gallons containers of cannas this year for some landscapers and I am running out of room in the grhouse. I want to move the cannas outside where they will get full sun, but I am concerned about slowing down the growth with the nighttime temps. The 10 day forecast is for high 40's to in the 50's. Would that be ok? As long as no frost hits the leaves? I can cover them for that and also move them back into the grhouse if it were to go in the 30's at all. Right now, they have stems that are about 12-18" high and most have a few stems/gallon so they are fairly mature.
What do you guys think?

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