Zone Pittsburgh, PA 15237 | Anonymous added on June 27, 2018 | Answered
When my Dead Nettles die back the flowers leave a prickly residual sort of bulb. My wife says that I should clip them off. Should I? Would that help or hinder the plant?
Answered on June 28, 2018
Shear the plants back after blossoming in their peak season to encourage well-branched plants and a hearty second bloom.
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