Sep 04, To form a hydrangea tree, the nurseryman chooses a young specimen with a robust central branch and begins to “prune it into submission.” He removes any other branches and also secondary branches that grow on the branch selected to be the future trunk.
Pruning in late fall or early spring before new growth begins will bring new blooms all summer. Big Leaf and Oakleaf hydrangeas should be pruned no later than early fall, otherwise you may cut off buds preventing any blooms come summer. For these types of hydrangeas, it’s best to prune immediately after flowering. Paniculata or PeeGee hydrangeas offer a bit more flexibility, but in general, they should be pruned in early spring before new growth appears.
Other hydrangeas. One cultivar, Hydrangea paniculata 'Grandiflora'--also commonly know as 'Pee Gee'--has a sturdy enough branch architecture and hearty growth habit to be suited to pruning into a standard tree.
Pee Gee hydrangeas bloom in white in the summer with the flowers aging into hues of pink and remaining on the plant well into fall. Nov 12, This is a Nikko Blue Hydrangea that was cut down “to clean it up” in the fall. The canes were cut to about three feet tall, and as you can see the shrub has grown back to six feet tall and wide by the following July. There are only a few flowers because that “clean up” pruning removed most of the stumphauling.buzzted Reading Time: 4 mins.
Apr 30, How to Prune Tree Hydrangea Video shows you in depth how to prune a Tree Hydrangea (Hydrangea paniculata). Cultivars that this video applies to are PeeGee H.