I have these groups of dead clematis flowers and I don't know if I should remove them or not.
Should I Be”deadheading” My Clematis Plants?
Some growers remove the spent flowers to encourage a new flush of flowers. Some people like the seedheads. If you wish to have more flowers, trim the dead flowers to just below the second leaf note so it will produce more stems and keep it watered. If you like the seedheads, remove 50 percent of them. Good luck.