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Boxwood Plant Guide

Buxus

Boxwood

The foundation of formal garden design. Boxwood provides year-round evergreen structure, takes shaping beautifully, and defines spaces with elegant precision.

Quick Facts

Hardiness Zones5-9
SunFull sun to partial shade
WaterModerate - consistent moisture
SoilWell-drained, slightly alkaline
Height2-8 feet
Spread2-8 feet
Bloom TimeEvergreen foliage year-round
HedgesTopiaryFoundation plantingFormal gardensContainersEdging

Why Grow Boxwood

Boxwood is the backbone of garden structure. Its dense, fine-textured evergreen foliage creates perfect hedges, topiary, and borders that look immaculate year-round. It defines spaces, frames views, and provides the architectural framework that makes flower gardens look intentional rather than chaotic. No plant does formal structure better.

Best Varieties

'Green Velvet' is the most cold-hardy and maintains a naturally round shape. 'Winter Gem' is excellent for hedges with good winter color. 'Dee Runk' grows tall and columnar — perfect for narrow spaces. 'Sprinter' has faster growth and excellent disease resistance. For edging, 'Suffruticosa' (English dwarf boxwood) stays compact at 2-3 feet. NewGen varieties are resistant to boxwood blight.

Planting and Hedging

For a formal hedge, space plants 12-18 inches apart. Dig a trench rather than individual holes for even spacing. Use a string line to ensure a straight row. Plant at the same depth as the nursery pot — burying the crown causes stem rot. Mulch with 2 inches of organic mulch to retain moisture and moderate soil temperature.

Shaping and Maintenance

Shear hedges 2-3 times during the growing season for a tight, formal look. Make the hedge slightly wider at the base than the top so lower branches get sunlight. For topiary, start training young plants and trim frequently. Water deeply during dry spells — boxwood roots are shallow. Protect from harsh winter wind and salt spray with burlap screens in exposed locations.

Companion Plants

Boxwood pairs beautifully with:

RosesLavenderHydrangeasHostasBulbs

Frequently Asked Questions

How fast does boxwood grow?
Most boxwood varieties grow 3-6 inches per year. Faster varieties like 'Sprinter' can grow up to 12 inches per year. Boxwood is a long-term investment — mature hedges take 5-7 years.
What is boxwood blight?
A fungal disease causing dark leaf spots and defoliation. Choose blight-resistant varieties (NewGen series, 'Green Gem'). Avoid overhead watering and ensure good air circulation.
Can boxwood grow in shade?
Boxwood tolerates partial shade well — it's one of the best evergreen shrubs for dappled light. Growth is slower in shade and foliage may be less dense, but it still performs.

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