The Q&A Archives: Dahlia - Stem Propagation

Question: How would I go about propagating a dahlia from a stem cutting?

Answer: These are usually propagated after they are dug by separating the clump of tubers and taking a bit of main stem with each tuber -- a "blind" tuber will not sprout. I do this in the spring right before I replant, but I suppose you could try stem cuttings during the summer. I would do it the way you would any cutting -- take a tip cutting with a leaf node and set it into damp sandy soil, cover with a plastic bag and set in a bright spot away from direct sun. I suspect bottom heat would help since this plant likes heat in general. Good luck with your dahlias!

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