I don’t know any gardeners who casually grow dahlias. Their fireworks riot of color has an intoxicating effect. You may start with one dahlia, but before you know it you have torn out the roses, ...

Dahlias need to be dug up and stored indoors to survive winter in Zones 7 and colder. Allow foliage to die back, then dig and cure tubers dahlias before storage. Balancing moisture and air circulation ...

Digging up dahlia tubers gives them years of life. However, the storage conditions could cause the tubers to rot if you don't manage the environment well.