Lawn Guardian

Boxwood Care Guide

Buxus sempervirens

shrubZones 5–9deer resistant

Classic evergreen shrub with dense, fine-textured foliage. The backbone of formal gardens and foundation plantings. Responds well to shearing and topiary.

At a glance

Season-by-season care

Spring

Thin interior branches Early spring

Open up the interior to light and air by selectively removing small inner branches. This prevents boxwood blight.

Apply granular fertilizer Mid-spring

Apply slow-release balanced fertilizer (10-6-4) around the drip line.

Summer

Shear to maintain shape After spring flush hardens

Shear new growth to maintain formal shape. Make the bottom slightly wider than the top so lower branches receive light.

Water during drought During dry spells

Boxwood has shallow roots and is drought-sensitive. Water deeply during dry periods.

Fall

Apply winter mulch Late fall

Add 2 inches of mulch to protect shallow roots from freeze-thaw cycles.

Winter

Protect from snow and ice Before first heavy snow

Tie up columnar varieties or place A-frame shelters to prevent snow/ice from splaying branches.

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Related plants

Sources: Purdue University Turfgrass Science: Use Growing Degree Days to Better Time Your Applications · University of Missouri Extension: Cool-Season Grasses: Lawn Maintenance Calendar · University of Minnesota Extension: Pre-emergent Herbicides for Crabgrass Control in Lawns