Quote:
Originally Posted by greenthumbomaha
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
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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.