Dead Heading Ball Dahlias

Question

Should ball dahlias be dead headed and if so how?

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Answer 1

These are not dahlias, but a groundcover called Sea Thrift. You can deadhead by removing the entire stem.

https://www.gardeningknowhow.com/ornamental/flowers/thrift/growing-thrift-plants.htm

https://mastergardener.extension.wisc.edu/files/2019/02/Armeria_maritima.pdf