Try leaving it alone.
increasing flower cluster size.
Prune in late winter if you missed the opportunity in summer (by the same method described above to thin out the plants). Remove dead branches or frost-damaged leaves and stems as soon as you notice them. Wait to prune new plants until they are years old.
Ever-blooming varieties of BigleafFile Size: 2MB. May 10, Prune the hydrangea to reduce its size. If your hydrangea has grown quite large, you can prune it in June or July (just after the blooming season) to contain it a bit.
Trim back the branches by 1/3 to the nearest joint. In most cases hydrangeas will grow back quite quickly, so you may not be able to maintain the smaller size for long%. Apr 12, This hydrangea, which grows on old wood, doesn't need much pruning but if you want to control its shape or size, clip in the summer before August when flowers' once-vibrant colors begin to fade.
Smooth (hydrangea aborescens) One variety, Annabella, has big flowers that are actually made up of many small individual bushdrop.clubted Reading Time: 2 mins. Feb 10, They usually bloom in late summer so if you prune them at this time of year you’ll end up cutting off most of the flowers.
Many gardeners prefer to prune in late winter – it’s easier to see the branch structure and reach into the interior of the shrub when there are no leaves on the bushdrop.clubted Reading Time: 2 mins. Prune the plant no earlier than early September and no later than late October. In general, experienced gardeners do not recommend pruning hydrangea completely. However, if you still need to do it, make sure you do it right. When pruning to full height, trim the stems 2 inches above the bushdrop.clubg: Pembroke VA.
Apr 24, Limelight hydrangeas will provide new flowers on new wood only, so the best time to prune Limelight hydrangeas needs to be done at the end of winter or the beginning of Spring, before any new growth starts to show itself. If you prune your limelight hydrangea at any other time of the year it can interrupt your flower growth and you might not get any new bushdrop.clubg: Pembroke VA.
This is why many people decide to prune their hydrangeas to preserve the size of the plant. Old-growth should be cut back after flowering when the flowers begin to brown and wilt.
You can recognize this by flowers that come out from an old stem. Any very old stems should be cut off to ground bushdrop.clubg: Pembroke VA.