Learn when to trim boxwoods and how best to do it for a neat, low-maintenance look.
Why Boxwoods Need Trimming
To grow properly, boxwoods need regular pruning and thinning.
Boxwood shrubs are so dense that it’s difficult for leaves on the interior to receive light and air.
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Trimming and pruning launch the plant and allow light and air circulation.
When boxwoods fail, it’s often because the plant hasn’t been adequately trimmed.
Dense foliage can result in fungus, blight, or pest infestation.
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When to Trim Boxwoods
Thebest time to prune or trim evergreen shrubslike boxwoods is mid- to late-spring.
Trimming too early in the year can kill the plant in cold climates.
Another light trimming is allowed by mid- to late-summer.
The extended handles reach to the top or around shrubs.
Hedge shears cost $25 to $50.
Most blades can handle branches up to 3/4-inch diameter, perfect for boxwoods.
Cordless electric hedge trimmersare easier to maneuver than corded models and let you reach all areas of your yard.
Their lithium-ion batteries last an average of 30 to 60 minutes.
Boxwood Trim Styles
There are two styles of trimming boxwoods: either formal or natural.
Formal Boxwoods
Boxwoods are often trimmed into smooth planes and straight lines that create geometric shapes.
This style is used with traditionally styled homes and gardens but can be used wherever bold borders are desired.
The tilt isn’t noticeable, but it helps the entire side of the boxwood receive sunlight.
Natural Boxwoods
Boxwoods can be trimmed to follow the general shape of the plant.
It’s a more natural look that avoids the manicured, topiary look.
Pruning is the emphasis when naturally shaping boxwoods.
Stray branches are trimmed and dead wood is removed.
you’re able to cut boxwoods far back without killing them.
Boxwoods tolerate pruning well.
So, if necessary, you could cut boxwoods down halfway or even two-thirds without killing them.
Diseases like blight and pests like the boxwood leafminer may also turn boxwoods brown after trimming.
Clemson Cooperative Extension Home & Garden Information Center.
Browning of boxwood: Is it boxwood blight?Michigan State University Extension.
