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thuja occidentalis smaragd nz

Thuja occidentalis Smaragd, known as Green Cedar or Green Arborvitae, is one of the most popular columnar conifers available in New Zealand gardens. Renowned for its vibrant emerald-green foliage and elegant, upright form, this hardy evergreen is an ideal choice for creating low-maintenance hedging, striking specimen plantings, and architectural statements. Thriving in a range of conditions throughout New Zealand, Thuja occidentalis Smaragd adds structure, privacy, and year-round colour to any landscape. If you’re searching for a trusted, long-living screening plant or a lush, slender feature for your garden, Thuja occidentalis Smaragd NZ grown is a top contender.

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 Plant Thuja occidentalis Smaragd in NZ Gardens?

Thuja occidentalis Smaragd delivers several outstanding benefits for New Zealand gardeners: - Evergreen beauty: Its soft, feathery foliage stays rich green year-round, unlike some conifers that bronze in winter. - Compact columns: Mature Smaragd plants reach around 3-4m tall and just 1m wide, fitting neatly into smaller gardens and tight spaces. - Easy care: This Thuja is tolerant of a wide range of soils, happily growing in sun or part shade with only moderate watering needed once established. - Excellent screening: Plant in rows for a dense, formal hedge, or use singly to accent pathways and entrances.

If you’re looking to compare other columnar conifers, Thuja occidentalis 'Pyramidalis' offers a similar silhouette with slightly different foliage texture.

Plant Uses for Thuja occidentalis Smaragd

In New Zealand, Thuja occidentalis Smaragd is prized for versatility and low maintenance. Examples of use include: - Privacy hedges: Its natural conical shape and dense growth create instant privacy barriers without much pruning. - Borders and screens: Perfect for defining property lines or softening boundaries. - Specimen planting: Use as a vertical feature in mixed borders or pots. - Windbreaks: The dense evergreen foliage offers shelter from coastal or alpine winds.

For golden foliage varieties, consider Thuja plicata Old Gold (Thuja Old Gold). Or, for larger screening needs, the fast-growing Thuja 'Green Giant' is an impressive alternative.

Growing and Caring for Thuja occidentalis Smaragd NZ

Plant your Smaragd in a well-drained soil with added organic matter for best results. They grow well in full sun or light shade and require little more than an annual trim if you prefer a formal look. Mulch around the roots in summer to retain moisture, and water well during dry spells for lush growth.

If you’re interested in a compact gold-foliaged conifer, Thuja occidentalis 'Rheingold' is a stunning option. For conifer collectors, explore unique alternatives such as Abies concolor Hosta la Vista or Chamaecyparis lawsoniana Grayswood Feather.

Explore More Quality Conifers for NZ Gardens

Conifers offer a world of garden possibilities. After enjoying the reliable performance of Thuja occidentalis Smaragd NZ, you might also discover new favourites among: - Abies pinsapo (Spanish Fir) - Abies balsamea Nana (Dwarf Balsam Fir) - Picea engelmannii

Whether you’re creating privacy, adding structure, or building a four-season garden, Thuja occidentalis Smaragd remains a standout choice for New Zealand landscapes. Browse our full range of conifers and find the perfect plants to suit your style and space.


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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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