The best time to trim a potentilla, and any other summer-flowering shrub, is in the spring before the potentilla buds out.
Yes, you should trim bushes
It is not advisable to trim bushes in frosty weather.
After flowering.
Potentilla basaltica was created in 1984.
Potentilla recta was created in 1753.
Potentilla cottamii was created in 1987.
Potentilla cristae was created in 1990.
Potentilla angelliae was created in 1987.
Potentilla hickmanii was created in 1900.
hair or a tree FAMILY FEUD: Hair Mustache Bushes Fingernails
You can trim bridal wreath bushes as late in the season as early summer for normal trimming. If you want to prune the bush to get more blooms, you can do so as late as early fall.