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How to Cut a Privet Hedge

By Laura Reynolds ; Updated September 21, 2017
Privet is a fast-growing native of Eurasia.

Privets are a fast-growing group of shrubs native to Europe or Asia. Privets grow as tall as 16 feet and form dense hedges with delicate white spring flowers and berries that attract birds in the fall. Maintained properly, a privet hedge is an attractive, nearly evergreen shrub. It is considered invasive in many parts of the United States, particularly in the Southeast. If you own a privet hedge, it is important to keep this aggressive grower under control by pruning it yearly and cutting back overgrown plants to bring them under control.

Privet needs two or more trims a year to stay neat.

Trim privet hedges in early spring to control new growth. Trim them again in early summer to keep them neat and remove flowers before they can set seed in summer berries. Aggressive growers that get a lot of sun may need a third trim in summer.

Privets thrive in full sun.

Clean out dead branches first, cutting all the way down to the ground. Removing dead branches allows more air circulation into the privet’s center. It also allows more light into this sun-loving hedge while encouraging new leaf growth in the lower sections of the hedge.

Poorly maintained privets become unruly.

Set limits for the hedge by cutting branches that hang outside of the limits of the hedge. Lop them off close to the ground. Remove old, thick branches each spring to keep privet trunks small enough to trim easily.

Tie a string to establish a level top.

Level hedges with electric or hand clippers. Tie a string from one end of the hedge to the other along the top as a guide and clip along the guide to establish a level top to the hedge. Brush clippings off the top to avoid the development of fungal diseases as the severed foliage decomposes.

Trim privets wider at the bottom to keep them bushy all the way to the ground.

Shape the hedge by cutting branches just to the basic outline of the hedge. The thickness of the shrub should decrease with height so the wider bottom gets enough sun. Making cuts at growth nodes helps shape the shrub; cuts between nodes encourage thick bushing along branches.

 

Things You Will Need

  • Long-handled loppers
  • Hand shears
  • Garden gloves

Tips

  • Privets are very tough shrubs. "Rehabilitate" overgrown hedges by cutting them back hard in fall to a few feet tall. They will double in height by early summer of the following year.
  • When you do rehabilitate privets, take the opportunity to clean out dead twigs and branches that have fallen in the thicket.
  • Always wear gloves when reaching into privets and other shrubs. Wear safety glasses when using hedge trimmers or working above eye level.
  • Kill invasive privet by cutting off branches near the ground and spraying with a herbicide containing glyphosate.

Warning

  • Hedge trimmers work well on thick privets, but whether using hedge trimmers or loppers and shears, clean up carefully after cutting privets. Clear away flowers and berries to avoid seeding new plants.

About the Author

 

An avid perennial gardener and old house owner, Laura Reynolds has had careers in teaching and juvenile justice. A retired municipal judgem Reynolds holds a degree in communications from Northern Illinois University. Her six children and stepchildren served as subjects of editorials during her tenure as a local newspaper editor.