PlantWhy

Boxwood

Buxus sempervirens · Tree/Shrub

A dense evergreen shrub used for hedges, edging and topiary. It is slow-growing and tolerates regular clipping well, but dislikes wet feet and drying winter winds.

Boxwood
Photo: MPF, CC BY 2.5 · Wikimedia Commons
💧WaterDry spells only once established (estimated)
☀️LightSun to partial shade
🐾PetsToxic to pets

Care at a glance

Light
Full sun to partial shade
Water
About 1 in per week while establishing; then in dry spells
Soil
Well-drained, fertile, neutral to slightly alkaline, pH 6.5–7.5
Temperature
Hardy to about −10 °F; shelter from winter wind
Spacing
12–18 in for a hedge; 2–4 ft for single shrubs
Container
At least 5 gallons for a small specimen
Growth
Slow; 2–6 in per year (estimated)
Lifespan
Perennial; can live many decades

When?

Plant in early autumn or spring when the soil is moist and temperatures are mild (estimated).

Step by step

  1. Choose healthy plants with no bare or bronzed patches.
  2. Plant at the same depth as in the pot; roots are shallow.
  3. For a hedge, set plants in a straight line using a string.
  4. Water deeply after planting and through the first summer.
  5. Mulch 1–2 in, keeping it away from stems.
  6. Clip in late spring to early summer; avoid late clipping before frost.
  7. Thin the inside of the shrub now and then to let light and air in.

Common problems

Leaves turn orange or bronze in winterWind and sun exposure; give shelter or a breathable winter wrap.
Leaf spots and bare patchesPossibly box blight; remove infected parts, clean shears, improve airflow.
Leaves eaten and webbingBox tree caterpillar; pick off or use a targeted biological spray.
Yellowing, weak growthWaterlogged soil; improve drainage.

Pets

Toxic to cats and dogs according to ASPCA; chewing can cause stomach upset. If in doubt, ask your vet.

Similar plants

Bay laurelJapanese mapleCamellia

Sources

This page is general guidance; no pesticide doses are given.