Buxus sempervirens . Box is tolerant of a wide range of soil types, just make sure there is adequate drainage and it does not dry out completely. A reliably moist soil is especially important if growing in full sun, otherwise the foliage may scorch. Box will tolerate deep shade and is ideal for planting beneath taller trees. Plant your box hedge about 20-25cm apart. Box Hedge Medium – Supplied cell grown at height: 18-20 cm.