No wonder many dahlia growers ask, "Are dahlias perennials or annuals?" Dahlias often bloom with the exuberance of favorite annual plants like zinnias and marigolds. From midsummer until frost, ...
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 ...
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