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conifer thuja occidentalis smaragd

Conifer Thuja occidentalis Smaragd, also known as Green Cedar or Green Arborvitae, is a top choice for New Zealand gardeners who want lush, evergreen structure in their landscapes. With its elegant, columnar form and vibrant emerald-green foliage, Thuja Smaragd offers year-round colour, growing to around 3–4 metres tall and 1 metre wide. Its tight, upright habit makes it a popular selection for hedges, garden screens, and low-maintenance accent plantings. Smaragd is valued for its formal good looks and resilience, coping well with a variety of soil types and New Zealand’s diverse climates.

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 'Smaragd'?

Conifer Thuja occidentalis Smaragd stands apart for its dense, glossy foliage and compact shape, which requires minimal trimming to keep its neat silhouette. It’s perfect as a fast-growing privacy screen, or as an attractive evergreen hedge that needs little maintenance or shearing. Unlike some conifers, Smaragd holds its bright green colour all year—never bronzing in winter—adding dependable beauty to gardens in any season.

Landscaping Uses for Green Arborvitae

Whether you’re planning a classic boundary hedge, a formal avenue, or individual statement plants, Thuja occidentalis Smaragd adapts beautifully. Plant as a row for windbreaks and privacy screens, or use as a specimen plant in mixed conifer borders. For a softer, lower hedge, keep Smaragd regularly pruned. It’s also well-suited to pots and containers near patios, driveways, or entranceways, thanks to its neat, upright growth.

Planting and Care Tips

For optimal results, plant your conifer Thuja occidentalis Smaragd in well-drained soil and a sunny to part-shade spot. Regular watering during the first year will help establish healthy roots, and a layer of mulch will conserve moisture and minimise weeds. Feed annually with a slow-release fertiliser for robust, even growth. Smaragd is generally pest and disease resistant, making it an easy-care choice for both experienced and new gardeners.

Explore Other Elegant Conifers

If you love the look of Smaragd, you might also like Thuja occidentalis 'Pyramidalis', another slender, upright variety perfect for formal rows. For golden foliage, Thuja occidentalis 'Rheingold' or Thuja plicata Old Gold (Thuja Old Gold) add a warm glow to any garden setting. For larger spaces, Thuja 'Green Giant' provides fast-growing, tall screening. Prefer a different conifer style? Consider Picea glauca Conica, Pinus mugo (Dwarf Mountain Pine), Cephalotaxus harringtonia Fastigiata (Japanese Plum Yew), Cupressus Gracilis (Italian Spruce), or Picea sitchensis for unique shapes and textures.

Order Thuja occidentalis Smaragd in New Zealand

Bring low-maintenance beauty and reliable structure to your landscape with conifer Thuja occidentalis Smaragd. Reliable, versatile, and elegant, this evergreen is easy to plant and enjoy year-round. Explore our full range of quality conifers to find the perfect trees for your garden.


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