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Nigra American ArborvitaeThuja occidentalis 'Nigra'

  • Nigra America Arborvitae
A cultivar of the American arborvitae, the Nigra American arborvitae is a narrow, pyramidal evergreen that provides plenty of landscaping versatility. It is a natural choice for windbreaks and privacy screens, requires almost no care when used as a hedge or screen, stands out as an excellent accent, and adapts well to pruning.

The most notable difference this arborvitae brings to the yard is dark green foliage that persists throughout the winter months.

Hardiness Zones

The nigra american arborvitae can be expected to grow in Hardiness Zones 3–7. View Map

Tree Type

Mature Size

The Nigra American arborvitae grows to a height of 20–30' and a spread of 4–10' at maturity.

Growth Speed Slow Growth Rate

This tree grows at a slow rate, with height increases of less than 12" per year.

Sun Preference

Full sun and partial shade are best for this tree, meaning it prefers a minimum of 4 hours of direct, unfiltered sunlight each day.

Soil Preference

The Nigra American arborvitae grows well in acidic, alkaline, loamy, moist, rich, sandy, silty loam, well-drained, wet and clay soils.


This tree:
  • Features tiny, scale-like leaves that are packed closely together in overlapping rows on branchlets, displaying in a flattened, fan-like spray.
  • Maintains its dark green throughout the winter.
  • Adapts well to pruning.
  • Yields seed cones that are not particularly showy.
  • Can be planted 3' apart for a low-maintenance hedge.
  • Tolerates air pollution.
  • Should be protected from drying winds and dry soil.
  • Grows in a pyramidal shape.