Buxus x 'Green Mountain' Green Mountain Boxwood Description Medium-sized glossy dark green foliage that turns bronzy-green in the winter.Growth Habit: Upright and pyramidal Mature Height: 4' to 5' (122 cm to 152 cm)Mature Spread: 3' to 4' (91 cm to 122 cm)Growth Rate: Moderate More Details Sun Exposure: Full sun to full shadeCold Hardiness Zone: 5Drought TolerantLandscape uses: Hedge and topiary