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pittosporum crassifolium karo

Pittosporum crassifolium karo is a true gem of the New Zealand coastline, valued for its resilience, lush foliage, and versatility. Commonly known as karo, this hardy evergreen shrub or small tree is a favourite with gardeners seeking structure, privacy, and year-round greenery. Thanks to its attractive, leathery grey-green leaves and ability to withstand coastal winds and salt spray, karo is the perfect solution for exposed sites and coastal planting schemes. Whether you’re working on a native restoration project or simply want a low-maintenance, beautiful hedge for your home, pittosporum crassifolium karo is an outstanding choice.

Pittosporum crassifolium (Karo)

5 from 5 customers

Karo, Cheesewood, Kaikaro

Pittosporum crassifolium, commonly known as Karo, is a hardy, evergreen shrub or small tree native to New Zealand. It features dense, grey-green leathery leaves and produces small, fragrant purple flowers in spring, followed by sticky seed capsules. Karo grows 3–5 metres tall and is ideal for hedging, shelterbelts, or coastal planting. It thrives in full sun to partial shade, tolerates wind, salt spray, and drought, and requires minimal maintenance, making it perfect for tough NZ conditions.

Pittosporum crassifolium (Karo) olive-green foliage and red flowers.
  • Suited to regions:
    All regions
  • Plant type:
    Trees
  • Height:
    10.00 m
  • Spread:
    4.00 m
  • Flowering time:
    Spring
  • Tolerances:
    Coastal, Hardy
  • Garden uses:
    Hedging, Parks, Ponds, Pool areas, Screening, Specimen
  • Garden styles:
    Alpine, Backyard, City & Courtyard, Coastal, Formal, Frontyard, Modern, Native
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Pittosporum crassifolium (Karo)

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Why Choose Pittosporum Crassifolium Karo?

Pittosporum crassifolium karo stands out for its adaptability and toughness. Native to coastal regions of New Zealand’s North Island, karo is naturally tolerant to harsh conditions and poor soils. Its dense, leathery foliage forms an excellent windbreak, making it ideal for shelterbelts and screening. The small, maroon flowers—though subtle—have a refreshing fragrance and attract native birds and insects. Karo requires minimal pruning, letting you enjoy a tidy, robust shrub or low tree with very little effort.

Best Uses in the Garden

Karo’s dense habit and attractive form make it perfect for a wide range of uses. It is often planted as a privacy hedge or shelter belt along exposed coastal properties, as well as in native revegetation and low-maintenance borders. Its salt tolerance means it thrives where few other plants will. For a layered native garden, karo pairs beautifully with other Pittosporum species such as Pittosporum eugenioides (Tarata) or Pittosporum tenuifolium.

Try planting karo among other natives and hardy exotics for textural interest—complement it with the striking foliage of Pittosporum 'Wrinkled Blue', the compact form of Pittosporum 'Limelight' (Kohuhu), or the tidy growth of Pittosporum 'Midget' (Dwarf Pittosporum).

Growing Tips for Pittosporum Crassifolium Karo

Pittosporum crassifolium karo is remarkably easy to grow. It thrives in full sun to part shade, tolerates coastal winds, and copes with both dry and occasionally damp soils. For best results, plant karo in well-drained soil and water regularly while the plant is establishing. Once mature, karo needs little maintenance and is drought-hardy, making it a brilliant choice for sustainable gardens.

Prune lightly if shaping is needed, ideally after flowering. Karo typically grows 3 to 5 metres high but can be kept lower with regular trimming. Pairing karo with specimen trees such as Acer Skeeters Broom (Skeeters Broom Acer), Prunus Mt Fuji, or Cupressocyparis Mellow Yellow adds contrast and year-round interest.

Add Karo to Your New Zealand Garden

If you’re looking for a durable, attractive, and truly local shrub, pittosporum crassifolium karo delivers on all counts. Its tough constitution and good looks make it a cornerstone of any coastal, native, or contemporary planting. Explore our full range of Pittosporum varieties, including Pittosporum tenuifolium, Pittosporum 'Limelight' (Kohuhu), and Pittosporum 'Midget' (Dwarf Pittosporum), to complete your ideal garden sanctuary.


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