Marietta Daisies Garden Club

The Hydrangea When to Prune

One of the most common reasons why your hydrangeas aren’t blooming is pruning at the wrong time. Use the chart below to determine when to best prune the hydrangeas in your garden. Some types should be pruned in late winter, while others should be left alone until after they bloom in the summer.

Hydrangea Type	When to Prune	Where Flowers Appear
Bigleaf (H. macrophylla)	Summer, after flowering	On old growth
Oakleaf (H. quercifolia)	Summer, after flowering	On old growth
Panicle (H. paniculata)	Late winter, before spring growth	On old growth
Smooth (H. arborescens)	Late winter, before spring growth	On old growth
Mountain (H. serrata)	Summer, after flowering	On old growth
Climbing (H. anomala subsp. petiolaris)	Summer, äfter flowering	On old growth