If you’re considering Thuja occidentalis ‘Smaragd’—also known as Emerald Green Cedar or Green Arborvitae—for your garden or landscaping project in New Zealand, it’s important to know about the typical growth and height of this popular conifer. This variety is admired for its upright, tidy form, vibrant green foliage, and reliability as a privacy screen or specimen tree. Understanding the mature size and growth potential will help you plan hedges, screens, and feature plantings to perfection.
Green Cedar, Emerald Cedar, Green Arborvitae
Thuja 'Smaragd', commonly known as the Green or Emerald Cedar, grows with a narrow, dense, and columnar habit. The foliage is rich green, sometimes tinged bronze in winter, and produced with a somewhat layered effect to give the plant an interesting texture. It typically grows to 7 m in height and 2.5 m in width in full sun. Thuja 'Smaragd' is commonly included in a mixed planting, used as a backdrop for smaller plants, grown for shelter or screening, used for hedging, or planted to line an entranceway or avenue. It is excellent for providing an architectural element and suits being planted against a large, bland wall.

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