Shorter and finer-leaved than Thuja occidentalis ‘Pyramidalis’. Leaves are a fresh-green. Forms a dense, narrowly-conical habit. Very reliable and quick-growing. Excellent for screens and focal points. Superb container plant. Thuja occidentalis ‘Smaragd’ (Northern White Cedar) is an evergreen tree that grows to 3m (H) x 1.5m (W) in 10 years.