Aug 03, Hydrangeas will grow back if cut down. You can cut back hydrangeas all the back to ground level, and they will grow again. The only way to get a hydrangea to not grow back is if you pull the entire plant out of the ground and put it somewhere where the roots can’t get access to nutrients and water in the treemulch.buzzted Reading Time: 7 mins. Aug 17, Cut those flowers that have already turned lavender-gray in color, not the fresh, blue-blue ones.
You can either put them in a vase without water, hang upside down to dry, or make them into a hydrangea flower wreath.
(Sign up for our make-a-hydrangea-wreath workshop on Saturday Sept 9th –– call the store to treemulch.buzzted Reading Time: 3 mins. Nov 19, Hydrangeas that bloom on new wood can be trimmed from fall through early spring. Smooth and peegee types are in this group and perform well whether cut to the ground, trimmed lightly or left unpruned. 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 treemulch.buzzted Reading Time: 4 mins. Jun 12, Snip the cutting from the stem. Next, strip all but the topmost set of leaves from the cutting.
The cutting should have only two leaves left. Cut the two remaining leaves in half crosswise (not lengthwise). If available, dip the end of the cutting in rooting hormone. While rooting hormone will increase the chances of successfully propagating hydrangeas, you can still propagate hydrangea shrubs.