Tip Bigleaf hydrangeas are the variety most susceptible to winter bud injury.
Nov 12, 2. Since Annabelle (one of the Hydrangea arborescens varieties) and LimeLight or other panicle types (Hydrangea paniculata varieties) produce their flowers on new growth you can prune them either in the late fall or early spring.
Some people like to prune theirs now so that they remove the old, brown flowers at the same time.
Spent flowers can be trimmed away as they fade to keep the plant looking tidy.
You do not have to remove the flowers they break off and Estimated Reading Time: 4 mins. Mar 23, Plants produce white flowers in flat to roundish clusters in late spring and summer.
'Annabelle' (introduced in the early 's) is the most widely grown cultivar. Newer cultivars include Incrediball and Invincibelle Spirit. Smooth hydrangeas can be pruned back to the ground in late winter/early spring.