Remove after flowering? - Knowledgebase Question

Castle Rock, Co
Question by clydene6
July 9, 2009
I live in Colorado. Should penstemon spent blossoms be cut back or does leaving them help them spread? Will they bloom only once a summer?

Answer from NGA
July 9, 2009


If you deadhead penstemons they may bloom again but if you leave the spent flowers on the plant they are sure to reseed and you'll have even more plants next year. I tend to just leave my plants alone so they can set seeds but the choice is yours.

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