Buxus sempervirens SuffruticosaVery dense small-leaved evergreen, with dark green glossy foliage slightly smaller than Common Box. Very slow growing and shade tolerant. Ideal edging shrub.HEDGE Trim August or September. For hedges up to 2ft (60cm). Plant 4-6ins (10-15cm) apart.You can buy 2 sizes of plant across.- 20-25 cm and 25-30cm plants.