Plant Library

Buxus sempervirens 'Newport Blue'

'Newport Blue' Boxwood

Buxus sempervirens ‘Newport Blue’ — commonly known as Newport Blue Boxwood — is a distinctive evergreen shrub valued for its blue-green foliage, dense habit, and strong performance in formal and informal landscapes. The foliage color offers a cooler tone than standard green boxwoods, providing subtle contrast in hedges and foundation plantings.
Key features
Width / spread: 4–6 ft Height: 6–10 ft (slow-growing; size increases gradually with age) Foliage: Blue-green, evergreen; good winter color Form: Upright, dense, broadly pyramidal to oval Life cycle: Evergreen shrub
Growing conditions
Sun: Full sun to part shade (afternoon shade beneficial in hotter climates) Soil: Well-drained; adaptable, prefers neutral to slightly alkaline soils Water: Moderate; consistent moisture preferred Hardiness:


Zone Low: 5b


Zone High: 8b


Landscape use
Formal and informal hedges Foundation plantings Evergreen screens Mixed shrub borders Classic garden structure
Notes


Noted for its cool blue-green foliage tone compared with traditional boxwoods


Responds well to shearing and shaping


Slower growth rate allows easier long-term size control


Deer resistant


Mulch to protect shallow roots and moderate soil moisture

Minimum zone

5

Maximum zone

8

Height

3'

Width

6-8'