I am not a dahlia specialist but I always grow a few each year. I plant tubers with one eye and get plants consisting of one stem. But this year three of my plants are producing several stalks - as shown. I assume that the tubers had several eyes which I failed to perceive, but whatever the cause, I wonder what I should do now. It seems self-evident that each stalk requires a portion of the tuber's energy and so I should cut down all but the main one... although I suppose that more would grow to replace each one that I cut. Anyway, does anyone have a different idea?
Perhaps of interest: Dahlias:Cut extra shoots? 3 Ways to Prune Dahlias - wikiHow Growing Dahlias: How and Why to Pinch Your Plants - Longfield Gardens How to Pinch and Stake Dahlias
I know about pinching but the first link takes me to someone else with multiple stems on his or her dahlias, which is my situation. Alas it does not seem to say how things turned out.
