HeirloomContainer OK

Boxwood Common

Buxus sempervirens

The classic evergreen shrub prized for its dense, fine-textured foliage and exceptional tolerance to pruning and shaping. Perfect for formal hedges, topiaries, and foundation plantings, boxwood provides year-round structure to the garden. This slow-growing shrub can be maintained at any desired height and is a cornerstone of traditional landscape design.

Sun

Full sun to partial shade

☀️

Zones

5–8

USDA hardiness

🗺️

Height

5-20 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Transplant

Showing dates for Boxwood Common in USDA Zone 7

All Zone 7 shrub →

Zone Map

Click a state to update dates

Boxwood Common · Zones 5–8

What grows well in Zone 7? →

Growing Details

Difficulty

Moderate

Spacing2-3 feet for hedging

SoilWell-drained, fertile soil with organic matter

pH6.5-7.5

WaterRegular watering, prefers consistent moisture

SeasonPlant spring or fall

FlavorN/A

ColorDark green evergreen foliage

SizeSmall to medium shrub

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 5	—	May – July	—	—
Zone 6	—	May – July	—	—
Zone 7	—	May – June	—	—
Zone 8	—	April – June	—	—

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Occasionally Wet. Height: 5 ft. 0 in. - 20 ft. 0 in.. Spread: 5 ft. 0 in. - 15 ft. 0 in.. Spacing: 6-feet-12 feet, 12-24 feet. Growth rate: Slow. Maintenance: Medium. Propagation: Stem Cutting. Regions: Coastal, Mountains, Piedmont.

Harvesting

Globose, 1/3 inch dehiscent capsule that matures to brown.

Color: Brown/Copper. Type: Capsule. Length: < 1 inch. Width: < 1 inch.

Storage & Preservation

Boxwood is an ornamental shrub and does not require food storage or preservation. For propagation material (cuttings), store in cool conditions (50-60°F) with high humidity until planting. Hardwood cuttings can be kept in moist perlite or sand in a cool location for several weeks. Softwood cuttings root best when placed in humid propagation trays. For transplanted boxwood, ensure consistent moisture during establishment. In harsh winters, mulch around the base to protect roots. Pruned branches can be stored in water in cool shade for short-term use in arrangements.

History & Origin

Origin: Europe to N. Iran, N. Africa

Considerations

-Toxic (Leaves): Low severity
-Causes contact dermatitis

Companion Plants

Lavender and rosemary are genuinely low-competition neighbors — both are drought-tolerant once established and won't fight boxwood for water the way shallow-rooted annuals do. Catnip fills the same niche lower to the ground; research has shown Nepeta species deter aphids and some beetles, which is a real benefit given how much boxwood psyllid damage can set a planting back. Marigolds (Tagetes patula specifically) add pest deterrence near the soil line, and heuchera or hosta handle the shadier spots where boxwood often gets tucked without crowding the root zone.

Black walnut is the plant to keep off the same property if you can manage it — the roots, husks, and decomposing leaf litter all release juglone, a compound toxic to many woody ornamentals, and boxwood shows decline quickly enough that you may lose the plant before you trace the cause. Pine needles are a slower problem: steady needle drop acidifies the soil over several seasons, pulling pH below the 6.5 minimum boxwood needs and triggering iron and manganese deficiency. Eucalyptus releases growth-inhibiting phenolic compounds through both its roots and litter — a different mechanism than juglone, but the outcome for nearby shrubs is similar.

Plant Together

Lavender

Repels pests like moths and beetles, shares similar soil and sun requirements

Rosemary

Deters harmful insects and thrives in similar well-draining soil conditions

Hosta

Provides contrasting foliage texture and thrives in partial shade beneath boxwood

Catnip

Natural pest deterrent that repels ants, aphids, and rodents

Marigold

Repels nematodes and aphids while adding colorful blooms

Astilbe

Complements boxwood in shade gardens and adds seasonal color

Heuchera

Provides colorful foliage contrast and shares similar growing conditions

Impatiens

Adds seasonal color in shaded areas and benefits from boxwood's wind protection

Keep Apart

Black Walnut

Produces juglone which is toxic to boxwood and can cause yellowing and decline

Eucalyptus

Releases allelopathic compounds that can inhibit boxwood root development

Pine Trees

Creates acidic soil conditions and dense shade that boxwood cannot tolerate long-term

Pests & Disease Resistance

Resistance

Susceptible to boxwood blight in humid conditions

Common Pests

Boxwood leafminer, psyllids, mites

Diseases

Boxwood blight, root rot, leaf spot

Troubleshooting Boxwood Common

What you'll see, why it happens, and what to do about it.

Leaves bronzed or stippled, fine webbing visible on undersides of foliage, especially in hot dry spells

Likely Causes

Boxwood spider mites (Eurytetranychus buxi) — populations explode when conditions are hot and dry
Dusty, unirrigated conditions that stress the plant and favor mite reproduction

What to Do

1.Blast the undersides of leaves with a strong jet of water every few days to knock mite populations down
2.Apply insecticidal soap or neem oil in the early morning, coating leaf undersides thoroughly — repeat every 7 days for 3 applications
3.Mulch the root zone 2–3 inches deep to retain soil moisture and reduce plant stress

Tan or straw-colored patches spreading across leaves and stems, with black streaking visible on the inner bark of affected stems when you scratch them

Likely Causes

Boxwood blight (Calonectria pseudonaviculata) — a fungal disease that spreads rapidly in warm, humid conditions above 60°F
Overhead irrigation or rain that keeps foliage wet for extended periods
Contaminated tools or plant material brought in from another site

What to Do

1.Remove and bag all infected material immediately — do not compost it
2.Disinfect pruning tools with a 10% bleach solution or 70% isopropyl alcohol between every cut
3.Avoid overhead watering; switch to drip or soaker hose to keep foliage dry

Blistered, yellowed leaves with a hollow or papery feel; small orange-yellow larvae visible when you tear open a leaf

Likely Causes

Boxwood leafminer (Monarthropalpus flavus) — larvae feed inside the leaf tissue from late spring through summer
Heavy infestations are worse on plants stressed by poor drainage or compacted soil

What to Do

1.Prune out the most heavily infested branches in late April before adult flies emerge and lay new eggs
2.Apply a systemic insecticide containing imidacloprid as a soil drench in early spring — NC State Extension lists this as effective for leafminer control
3.Improve drainage around the root zone; plants sitting in poorly drained soil consistently show worse leafminer damage

Frequently Asked Questions

Is boxwood good for beginners?▼

Boxwood is moderate in difficulty, making it suitable for gardeners with some experience. While it tolerates pruning well and adapts to various conditions, it requires consistent moisture, good drainage, and pest management (particularly boxwood leafminer). Beginners should monitor regularly for pests and ensure proper watering during establishment. Once established, it becomes relatively low-maintenance.

Can you grow boxwood in containers?▼

Yes, boxwood grows well in containers. Use well-draining potting soil rich in organic matter. Container plants require more frequent watering than in-ground specimens, especially during summer. Ensure pots have drainage holes to prevent root rot. Dwarf boxwood varieties are ideal for smaller containers. Container plants may need winter protection in cold climates and occasional repotting as they mature.

When should I plant boxwood?▼

Plant boxwood in spring or early fall for best establishment. Spring planting allows the plant to develop roots throughout the growing season before winter stress. Fall planting (6-8 weeks before frost) gives roots time to establish before spring growth. Avoid planting in hot summer months. In mild climates, boxwood can be planted year-round if watered consistently.

How long does boxwood live?▼

Boxwood is a long-lived shrub that can live for decades or even centuries with proper care. Well-maintained specimens often thrive for 100+ years. Lifespan depends on variety, growing conditions, pest management, and care. Heirloom varieties like Common Boxwood are particularly hardy and develop character over time, making them valuable landscape investments.

What are the main pests affecting boxwood?▼

Boxwood is susceptible to boxwood leafminer, psyllids, and spider mites. Leafminer larvae tunnel inside leaves, causing blotching and damage. Psyllids create white waxy coating on foliage. Mites cause yellowing and fine webbing. Inspect regularly, especially in spring and early summer. Prune affected branches, improve air circulation, and apply appropriate treatments if infestations occur. Healthy plants resist pests better.

How often should I prune boxwood?▼

Boxwood responds well to regular pruning for shaping and density. For formal hedges, prune in late spring and again in mid-summer. For topiary, more frequent light pruning maintains shape. Avoid heavy pruning in fall, as it encourages tender new growth vulnerable to winter damage. Mature plants need pruning annually or as desired to maintain form. Never remove more than one-third of the plant at once.