Can I keep dahlia bulbs in pot all winter?
Certified GKH Gardening Expert
It is not recommended to do this. They are prone to rotting, and you may find that by the time you need them to grow again, they might have completely disappeared.
Here is an article that will give you instructions on how to winter these properly: https://www.gardeningknowhow.com/ornamental/bulbs/dahlia/storing-dahlia-tubers.htm