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thuja smaragd christchurch

If you’re looking for an elegant, evergreen conifer that thrives in Christchurch’s climate, Thuja ‘Smaragd’ (often known as Green Cedar or Green Arborvitae) is an excellent choice. This versatile plant brings year-round colour and structure to Canterbury gardens, making it a favourite for hedging, screening, and focal points. With its tidy, upright growth and rich emerald foliage, thuja smaragd Christchurch residents love this conifer for its low-maintenance nature and adaptability to local conditions.

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 Smaragd for Christchurch Gardens?

Thuja ‘Smaragd’ excels in Christchurch gardens thanks to its resilience and attractive form. Its columnar shape means it fits beautifully in narrow spaces, along driveways, or as a living wall. The rich green foliage holds its colour all winter, contrasting beautifully against Christchurch’s cool-season landscapes.

Because Thuja ‘Smaragd’ is slow-growing—usually reaching 3 to 4 metres tall—it’s an ideal hedge for those who want privacy without endless trimming. This plant tolerates frost, wind, and the occasional dry spell, making it a reliable choice for local gardeners. Whether you’re planting individually for a statement or using multiple for a lush hedge, you’ll appreciate how well Thuja ‘Smaragd’ adapts to the varied soils and conditions found across Christchurch.

Planting and Care Tips

For the best results, plant Thuja ‘Smaragd’ in a sunny to partially shaded spot with well-drained soil. Although it handles Christchurch’s cool winters, young plants benefit from some shelter from strong easterly winds. Space hedges approximately 60cm apart for dense coverage, and mulch annually to help retain moisture during our dry summers.

Regular watering during establishment is key, but once established, Thuja ‘Smaragd’ will withstand periods of drought typical in Canterbury. Prune lightly in late spring to maintain its signature conical shape and encourage healthy new growth.

Complementary Conifers for Christchurch

If you’re considering mixing conifer varieties or seeking alternatives, our collection is perfectly suited to Christchurch’s climate:

Enhance Your Christchurch Landscape

From formal hedging to decorative planting, Thuja ‘Smaragd’ offers year-round beauty and practicality. Its strong performance in Christchurch’s varied conditions makes it a standout for any local landscape project. Visit our nursery or browse online to find the perfect thuja smaragd Christchurch gardeners trust for lasting, evergreen charm.


Contact us

Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.

–The Plant Company

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