Thuja occidentalis ‘Smaragd’ (Emerald Green Arborvitae)
Thuja occidentalis ‘Smaragd’ (Emerald Green Arborvitae)
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Thuja occidentalis ‘Smaragd’, commonly known as Emerald Green Arborvitae, is a popular evergreen conifer valued for its narrow, upright form and rich green foliage that holds its colour year-round. Its dense growth habit makes it an excellent choice for formal hedging, screening, and privacy planting.
This low-maintenance plant thrives in full sun to partial shade and adapts well to a range of soil types, including clay. With strong tolerance to urban conditions and cold climates, it provides reliable structure and winter interest in both residential and commercial landscapes.

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Mature height
3.5–4.5 m
Mature width
0.8–1.2 m
Spacing
0.8–1 m
Evergreen/Deciduous
Evergreen
Foliage
Rich emerald green foliage year-round
Flowering Period & Fruit Development/Harvest
Non-flowering
Sun tolerance
Full sun to partial shade
Maintenance
Low maintenance; minimal pruning required for shape
Root System
Shallow, fibrous and non-invasive