By Pattydee
Nottinghamshire,
United Kingdom 
How do you deadhead penstemons? Just cut off the flowering head or cut down to the base?
On plant
Many thanks Simbad and Drc726
3 Aug, 2014
Answers
Me too I cut off the spent flowers and anything brown.
3 Aug, 2014
I probably said thank you to Simbad and Drc726 in the wrong place..hope this is the right one..lol.
4 Aug, 2014
Just cut the head off to the nearest set of leaves below the spent flower and it will sprout more flowers from the leaf axils.
Welcome to GOY :-)
3 Aug, 2014