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Old April 17, 2017   #9
Join Date: Jul 2013
Location: Alberta, Canada
Posts: 490

Originally Posted by greenthumbomaha View Post
The dahlias I am familiar with would need to be lifted and stored in your growing zone if you want to replant them next season. I wonder if you could overwinter them in containers in your garage.

- Lisa
They all need to be lifted for winter storage in colder climates - Dahlias originated in Mexico, and any frost will immediately kill the foliage to the ground, and if your soil freezes, the tubers will die. I certainly can't overwinter them here in my garage (Zone 3a), but folks in better climates should be able to. I store mine in the coolest room in the basement, right on the floor. They need to be stored between 4 and 8 degress Celcius or else they will sprout.

Last edited by RJGlew; April 17, 2017 at 12:26 AM. Reason: Wording.
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