Should I trim my Hollyhock bush? If so, when and how low?
Certified GKH Gardening Expert
You can cut them back during your fall cleanup, or now, if the flowers have finished for the season. You can cut them back to about 3 inches from the ground. Here is more info on growing these plants: https://www.gardeningknowhow.com/ornamental/flowers/hollyhock/tips-on-hollyhocks-growing-hollyhocks-successfully.htm