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thuja green giant nz

Thuja 'Green Giant' has quickly become a favourite for gardeners across New Zealand seeking a fast-growing, hardy evergreen for hedges, shelter, or privacy screens. Originally a hybrid between Western Red Cedar and Japanese Arborvitae, Thuja 'Green Giant' is prized for its lush, deep green foliage, strong upright growth and excellent resistance to common diseases and pests. Its adaptability to a wide range of soil types and impressive wind tolerance make Thuja Green Giant NZ an excellent choice for both urban and rural projects. Whether you're looking to create a formal hedge, a living fence, or simply an attractive backdrop in your landscape, Thuja Green Giant NZ delivers exceptional results with minimal maintenance.

Thuja 'Green Giant'

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Thuja 'Green Giant' is a smaller variety of Cedar and bears sprays of glossy, dark green foliage held on slender stems. The result is a tree with a somewhat layered appearance as it grows to 12 m tall and 3 m wide. Thuja plicata 'Green Giant' is commonly grown as a specimen, used as a screen, planted as a backdrop for smaller plants, or trimmed into a hedge. This is a low-maintenance plant that is very forgiving with excellent aesthetics.

Thuja plicata 'Green Giant' trees standing 5 m tall as a lush, green screen.
  • Suited to regions:
    All regions
  • Plant type:
    Conifers
  • Height:
    12.00 m
  • Spread:
    3.00 m
  • Tolerances:
    Coastal, Hardy
  • Garden uses:
    Hedging, Parks, Screening, Specimen
  • Garden styles:
    Architectural, Coastal, Formal, Japanese, Modern
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Thuja 'Green Giant'

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Why Choose Thuja Green Giant for Your NZ Garden?

One of the standout features of Thuja Green Giant NZ is its rapid growth rate. Under ideal conditions, these trees can grow up to a metre per year, quickly providing privacy, wind protection or a green buffer. The dense, feathered foliage stays vibrant through all seasons, offering a consistent, lush appearance even in the chilliest New Zealand winters.

Thuja Green Giant NZ is also remarkably resilient. It copes well with varying pH levels and can handle both clay and loam soils, though it prefers well-drained ground. Once established, it’s tolerant of drought and light salt spray, making it suitable for a wide range of New Zealand landscapes, from inland shelter belts to coastal gardens.

Planting and Care Tips

Getting your Thuja Green Giant NZ off to a good start is simple. Dig a hole twice as wide as the root ball and position your plant at the same height as it was in its nursery pot. Ensure you maintain at least one metre spacing if planting as a hedge—this allows each tree to reach its full, symmetrical potential without overcrowding. Regular watering during the first summer helps establish a strong root system, after which they’re surprisingly low-maintenance. An annual feed with a balanced slow-release fertiliser will keep your hedging thick and healthy.

Creating Living Screens, Hedges, and Shelterbelts

Thuja Green Giant NZ is unrivalled for creating living screens or shelterbelts. Its upright, conical habit casts filtered shade without blocking all sunlight, making it ideal as a boundary plant or to section off garden areas. For a softer look, consider mixing Thuja Green Giant with other conifers, such as Thuja occidentalis 'Smaragd' (Green Cedar), Thuja occidentalis 'Pyramidalis' or Thuja plicata. These complement the Green Giant with varied shapes and textures, delivering year-round interest.

Explore More Conifers for New Zealand Gardens

If you’re inspired by the ease and beauty of Thuja Green Giant NZ, you might also like Thuja plicata Old Gold (Thuja Old Gold) for its golden hues, or the soft, feathery foliage of Juniperus Plumosa Aurea (Golden Juniper). For striking colour contrasts, consider Thuja occidentalis 'Rheingold' or Thuja orientalis 'Rosedalis'. Other majestic options include Abies forrestii (Silver Fir), Abies religiosa (Oyamel Fir Tree), and the elegant Picea sitchensis.

Looking for a robust, stunning hedge or shelter? Thuja Green Giant NZ is the reliable solution for Kiwi gardeners wanting fast results, year-round greenery, and minimal fuss.


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.

Gardenia radicans and Azalea Pink Ice are beloved staples, but Juncus edgariae (Edgar's Rush), Hibiscus 'Snowdrift', and Azalea 'Happy Days' bring fresh energy to any planting scheme.
–The Plant Company

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