The Dark Green American Arborvitae can be expected to grow in Hardiness Zones 3–8.
Dark Green American Arborvitae
THUJA OCCIDENTALIS (NIGRA)
A good pyramidal form. Dense dark green foliage which keeps its color through the winter. Great for medium to large hedges and privacy screens. Prefers full sun and adequate moisture. Adapts well to pruning.
Height: 30 – 40′
Spread: 10 – 15′
Zone: 3 – 7
Shape: Dense pyramidal
Foliage: Dark green