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thuja occidentalis emerald green

Thuja occidentalis emerald green, also called Thuja 'Smaragd', Green Cedar, or Green Arborvitae, is a highly sought-after evergreen conifer that brings year-round structure, privacy, and vibrant colour to New Zealand gardens. Known for its slender, upright form and rich, emerald-green foliage, this easy-care hedge plant is prized for both formal and natural landscapes. Whether you’re looking for a dense privacy screen, a tidy topiary specimen, or a low-maintenance feature, Thuja occidentalis emerald green stands out as a reliable performer in Kiwi backyards.

Thuja occidentalis 'Smaragd' (Green Cedar)

5 from 2 customers

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.

Thuja occidentalis 'Smaragd' hedge with bright green foliage.
  • Suited to regions:
    All regions
  • Plant type:
    Conifers
  • Height:
    7.00 m
  • Spread:
    2.50 m
  • Tolerances:
    Extended dry periods, Hardy
  • Garden uses:
    Containers, Hedging, Screening
  • Garden styles:
    Architectural, Backyard, City & Courtyard, Formal, Frontyard, Modern
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Thuja occidentalis 'Smaragd' (Green Cedar)

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Why Choose Thuja occidentalis emerald green?

Thuja occidentalis emerald green is celebrated for its lush, columnar growth and compact habit. Unlike fast-growing alternatives, this variety grows at a moderate pace, reaching 3-4 metres tall and maintaining a neat, conical shape with minimal trimming. Its dense evergreen foliage stays brilliantly green throughout winter, making it a superb choice for hedges that look great even in the coldest months.

This cultivar thrives in most well-drained soils and is remarkably tolerant of New Zealand’s varied climates, from frosty regions to damp coastal areas. Its non-invasive root system and low need for pruning make it an ideal solution for borders, driveways, or accent planting near patios.

Planting and Care Tips

Position your Thuja occidentalis emerald green in full sun or partial shade for best results. When planting as a hedge, space plants about 60-90 cm apart to ensure they knit together into a dense screen. Water regularly, especially during the first season, and mulch to conserve soil moisture. Once established, this conifer is fairly drought-resistant and requires only an annual trim to maintain its elegant form.

For gardeners looking to create a contrasting display or diversify their conifer selection, pair it with Thuja occidentalis 'Pyramidalis' for varied shapes within a screen, or grow alongside Thuja occidentalis 'Rheingold' for striking gold tones.

Thuja Varieties and Complementary Conifers

If you love the look of Thuja occidentalis emerald green, consider exploring other arborvitae options. Thuja 'Green Giant' offers incredibly fast growth for those wanting quicker privacy, while Thuja plicata delivers larger scale and a Western red cedar fragrance. For soft golden foliage, Thuja plicata Old Gold (Thuja Old Gold) and Thuja occidentalis 'Rheingold' offer a vivid accent.

Junipers can also provide lovely textural contrast—try planting Juniperus Spartan for a narrow column, Juniperus 'Skyrocket' for silvery vertical accents, or Juniperus All Gold for a splash of yellow. Thuja orientalis 'Blue Cone' introduces unique bluish hues and ornamental cones, perfect for modern garden schemes.

Buy Thuja occidentalis emerald green in New Zealand

If you’re looking for a low-maintenance, year-round green hedge or a shapely specimen tree, Thuja occidentalis emerald green is an excellent choice for nearly any Kiwi garden. This popular conifer offers lasting beauty and privacy for homes or public spaces. Browse our range of quality thujas and complementary conifers, including Thuja plicata, Thuja 'Green Giant', and Thuja occidentalis 'Pyramidalis', to create the perfect screen or feature planting for your landscape.


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