Buxus Sempervivum Ball Create neat Box hedges, border edges & fabulous topiary. The Buxus Sempervirens Ball is one of the most useful evergreen shrubs in the garden! Small, glossy green leaves are densely packed on slow-growing, bushy plants. The must-have addition to any cottage garden & stately home alike, Buxus Sempervivum Ball has traditionally been used to form neat Box hedges, border edges & fabulous topiary. The Buxus Sempervirens Ball is renowned for its ability to withstand frequent clipping. Its the low maintenance structure to a garden the whole year-round. Height & spread: Up to 3m (9') if left unpruned.