First, gently prune your new plants slightly as soon as you put them in the ground, so they will begin to grow in the shape and direction you like. Prune boxwood each year in spring; it is okay to touch up the plant's shape or straying branches throughout mid-summer.
Be sure not to prune and shape your boxwood in late summer or early fall. If your boxwood is only a couple of feet tall to begin with then you can cut it back to 15 inches or so. Just make sure it has some green leaves left. The way I was trained to hard prune boxwood was to take the tallest stems and cut them way down into the plant to a branch fork. Aiming below the ultimate height I want the shrub to treemulching.buzzted Reading Time: 7 mins.
Clip manually with a sharp pruning clipper or use an electric trimmer for an even cut. 3 Shear the tips of the boxwood once a year after the second year of growth to maintain the desired shape. Dec 28, Can I Cut My Boxwood Shrubs Back 2 or 3 Feet Without Killing Them? Common boxwoods (Buxus sempervirens), suitable for U.S. Department of Agriculture plant hardiness zones 6 through 8, can grace.
May 14, Remove the leaves from the lower two inches (5 cm.) of each cutting and scrape the bark from one side of the exposed stem. Roll the lower end of the cutting in powdered rooting hormone and tap the stem to remove the excess.
Stick the lower end of the cutting where the leaves were removed about two inches (5 cm.) into the rooting treemulching.buzzted Reading Time: 3 mins. Getting It Under Control. If removal is not a necessity, you can prune an overgrown boxwood shrub to a more manageable size and shape. Cut back about one-third of the branches to the desired. Jul 26, Use loppers if the growth of your boxwoods are out of control.
If your boxwoods have grown an incredible amount and a simple pruning won’t suffice, get a pair of pruning loppers. Cut back the main limbs so that they’re at a reasonable height, and work on maintaining the rounded shape of the treemulching.buzz: 66K. May 07, Use sharp pruners or a knife and cut off a 4 to 6 inch new growth stem from the boxwood plant.
I use my pruners but some claim this pinches the stem preventing rooting. You can take a sharp knife after taking the cutting from the plant and re-slice if you wish. Prepare boxwood cutting. Fill a container large enough to completely cover the cutting edge of your tool with a solution of 1 part bleach to 3 parts water. Submerge your pruning tool and let it sit in the solution for at least five minutes, then let it air-dry before using it.