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Light

Full Sun to Partial Shade

Size

Medium

Watering

Low to Moderate (drought-tolerant once established)

Growth rate

Slow to Moderate

Location

Garden Beds, Borders, or Pots

Drought tolerance

Moderate

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Thuja Smaragd Plant Attributes

The Thuja Smaragd is a hardy, evergreen conifer known for its vibrant green foliage and naturally compact, pyramidal growth habit. It’s a favourite for formal landscapes due to its elegant appearance and low-maintenance requirements.
Genus:
Thuja
Species:
T. occidentalis
Family:
Cupressaceae
Life Cycle:
Perennial
Country Or Region Of Origin:
North America
Dimensions:
3–5 metres tall and 1–1.5 metres wide
Recommended Propagation Strategy:
Cuttings
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Common applications

  • Used as a formal hedge or privacy screen in landscapes
  • Perfect for framing pathways, driveways, or garden beds
  • Thrives as a standalone feature plant in small or large gardens
  • Suitable for planting in pots for patios or balconies

Noteworthy features

  • Naturally pyramidal shape with dense, vibrant green foliage
  • Hardy and adaptable to a variety of soil types
  • Low-maintenance, requiring minimal pruning
  • Tolerant of Melbourne’s varied climate, including frost

Popular varieties

Our Trees

At All Green, we offer a wide selection of trees to complement your garden. Whether you're looking for privacy screens, hedging options, or striking standalone features, our range of trees provides the perfect solution for any landscape design.

Frequently Asked Questions

For gardeners considering Thuja Smaragd, here are some fresh insights to help you grow and care for this elegant plant.

What makes Thuja Smaragd a popular choice for gardens?

Thuja Smaragd is widely loved for its neat, pyramidal shape and rich green foliage, which remain vibrant throughout the year. Its low-maintenance nature, adaptability to various soil types, and suitability for hedging, screening, and feature planting make it a versatile choice for both formal and casual landscapes.

How often should I fertilise Thuja Smaragd?

Fertilising Thuja Smaragd twice a year, in spring and autumn, will promote healthy growth and rich foliage. Use a slow-release fertiliser designed for evergreen conifers, and supplement with compost or organic mulch to improve soil quality and retain moisture.

Can Thuja Smaragd be used for hedging?

Yes, Thuja Smaragd is an excellent plant for creating formal hedges or privacy screens due to its dense foliage and narrow, upright growth habit. When planted at 60–90 cm intervals, it forms a lush, evergreen barrier that offers privacy, wind protection, and visual appeal all year round.

How should I prepare the soil for planting Thuja Smaragd?

Before planting Thuja Smaragd, ensure you have well-drained soil that is rich in organic matter by loosening it and mixing in compost or well-rotted manure. If the soil is clay-heavy, consider amending it with sand or gypsum to improve drainage and prevent root rot, which can occur in overly wet conditions.

What kind of watering schedule does Thuja Smaragd require?

Watering Thuja Smaragd deeply once or twice a week during its first year will help establish a robust root system. Once established, it is moderately drought-tolerant, but providing supplemental water during extended dry periods will keep the foliage lush and vibrant.

How tall will Thuja Smaragd grow, and how long does it take?

Thuja Smaragd typically grows to a height of 3–5 metres and reaches its mature size in 10–15 years, depending on growing conditions. Its slow-to-moderate growth rate makes it ideal for those seeking a manageable plant that won’t quickly outgrow its space.

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