American arbor-vitae. A tough, small to medium-sized tree. Tough, tolerant of just about any well-drained soil. The close growing foliage is bright green, and has a sweet scent when crushed.
Attractive rich green glossy foliage. This conifer makes a first rate hedging plant, with aromatic foliage. It grows well in shade and tolerates chalky soils. It is quite vigorous, and a favourite with connoisseurs.