New wood hydrangeas can be cut in late fall to early spring; old wood types should only be cut right after blooming. Trimming old wood hydrangeas too late removes next year’s buds, so timing is key to ...

Prune Hydrangeas Like This or Risk No Flowers Next Year originally appeared on Dengarden. While technically, you don’t have to prune your hydrangeas, the act of cutting away old growth will help them ...