Will Dahlias Come Back?

At the end of the growing season, you can either treat your dahlias as annuals and plant a fresh batch of tubers next spring, or save the tubers from the varieties you really like and grow them again next year. ... Simply cut the plants back to several inches above soil level. They will start growing again in spring.

What do you do with dahlias in the winter?

Cut off the foliage and carefully dig out the tubers. Brush off excess dirt and let the tubers dry for a few days. If possible, hang them upside down when drying them so that moisture can leach out of them. Drying is important to saving dahlias over winter and preventing them from rotting.

Do dahlias come back up every year?

You can dig up the tubers in fall, store them over the winter and plant them again next spring. ... In the second year, the plant grows taller, flowers and produces seeds before dying. Dahlias, on the other hand, are perennials. In their native warm climate, they re-sprout from their underground tubers to bloom each year.