Buxus sempervirens × sinica var. insularis 'Green Mountain' (Boxwood 'Green Mountain') is a dense, upright, broadleaf evergreen valued for four-season structure and a naturally pyramidal habit that can be left to its form or clipped for a crisp silhouette. You can use it for hedges, foundation plantings, accents, and topiary, where its small, glossy green leaves create a clean, classic look.

Give your plant good drainage and consistent moisture while it establishes. It performs best in full sun to partial shade; in many regions, morning sun with some afternoon shade helps reduce winter bronzing and stress. Mulch over the shallow roots to keep soil temperature and moisture more even, and avoid deep cultivation around the base.

At maturity it typically reaches about 72-84 inches tall with a spread around 48-60 inches, depending on siting and pruning. If you are shaping or shearing, do it after the last frost and consider thinning cuts now and then to improve air movement through the interior. In exposed sites, shelter from drying winter winds to help foliage stay green and healthy.

For a refined landscape composition, repeat it along a walk, pair it with perennials, or use it as a year-round anchor in mixed borders. With regular watering during dry periods and thoughtful placement, you will get a long-lived evergreen that stays tidy and adaptable in many garden styles.

Specifications

• Cold hardiness zone: 5-8 (-20 degrees F) - Contact your local extension to confirm hardiness if you are in a fringe zone (we cannot guarantee hardiness in fringe zones)
• Light: Full sun   Part sun
• Growth rate: Slow
• Mature height: 72-84"
• Spread: 48-60"
• Tolerant of: Deer, Rabbits
• Evergreen: Yes

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