Dahlias are tuberous perennials, offering beautiful flowers each spring or summer. But they need to be dealt with carefully ...

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

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If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...