Mophead Hydrangeas--will removing the spent blooms help it produce more blooms?

And if it does.. willl there be new blooms this season or does the pruning only benefit next year's growth?

Mophead Hydrangeas--will removing the spent blooms help it produce more blooms?
you'll only get MORE blooms if the hydrangea is an Endless Summer type that can bloom on old AND new wood.... on those, removing flowers does promote more blooms....on regular hydrangeas, the number of flowers is set the year before and cannot change....
Reply:I think it's for next year ...





And you know you can change the color with the alkalinity of the soil?
Reply:new blooms will only grow on the old wood, not from a green stem. you can cut the dead flowers off to make the bush look better though.