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carex secta grass

Carex secta grass, commonly referred to as Pukio, is a stunning New Zealand native wetland sedge that brings bold structure and lush texture to gardens and landscape designs. Renowned for its dramatic tufts of arching, evergreen foliage, Carex secta creates a distinctive architectural feature whether grown as a solitary specimen or mass-planted along wetland margins, ponds, or stream banks. Its cascading, golden-green leaves form large domes, often reaching up to 1.5 metres tall, making it a statement plant well-suited to both residential gardens and revegetation projects. Adaptable and low-maintenance, Carex secta grass thrives in damp soils and moist environments, adding year-round interest and habitat benefits for native wildlife.

Carex secta (Swamp Sedge)

5 from 2 customers

Swamp Sedge, Pukio

Carex secta, commonly known as Pukio, is a striking New Zealand native sedge admired for its large, tussock forming habit and golden green foliage. Naturally found along wetlands, streams, and swampy areas, it provides important habitat for wildlife while adding texture and movement to the landscape. Hardy and versatile, Pukio thrives in a wide range of conditions, making it ideal for both ecological restoration projects and ornamental NZ gardens.

Carex secta plants growing as a border garden in a commercial car park.
  • Suited to regions:
    All regions
  • Plant type:
    Grasses
  • Height:
    1.50 m
  • Spread:
    1.50 m
  • Tolerances:
    Hardy, Wet
  • Garden uses:
    Ponds
  • Garden styles:
    Alpine, Architectural, Backyard, City & Courtyard, Frontyard, Japanese, Modern, Native, Riparian
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Carex secta (Swamp Sedge)

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Why Choose Carex secta Grass for Your Garden

If you’re looking for a versatile, resilient, and visually striking option for moist or boggy areas, Carex secta grass is an excellent choice. This grass tolerates heavy, wet soils that other species may struggle with, making it perfect for swales, riparian zones, and water features. Its dense clumps help control erosion, stabilise soils, and filter runoff, playing a valuable ecological role in garden settings and larger landscapes alike. With its fine-textured leaves and upright habit, Carex secta is an ideal alternative to exotic grasses, offering a true New Zealand aesthetic and supporting biodiversity.

How to Grow and Care for Carex secta Grass

Carex secta flourishes in full sun to partial shade, preferring consistently moist or even saturated soil. While it’s incredibly tolerant of wet conditions, it can also adapt to ordinary garden positions provided it doesn’t dry out for extended periods. Minimal maintenance is needed: simply remove any old or damaged foliage in late winter or early spring to encourage fresh new growth. Supplementing with a slow-release fertiliser and a layer of mulch will keep your Carex secta grass looking its best all year. Propagation is straightforward by division of mature clumps.

Using Carex secta in Landscape Design

Carex secta grass is highly effective in naturalistic and native planting schemes. Line the edges of garden ponds, create relaxed meadow effects, or blend with other wetland plants for a layered look. For complementary texture and colour, try pairing Carex secta with companions like Carex buchananii (Buchanans Sedge), whose fine, copper-toned leaves add warmth, or Carex comans Bronze for a striking contrast. Festuca Shades of Blue (Festuca Blue) and Schoenoplectus acutus (Hardstem bulrush) also make excellent partners for varied wetland plantings.

Explore More New Zealand Grasses

Expand your native garden palette with other outstanding sedges and rushes. Consider Carex flagellifera Green for delicate lines, Carex Frosted Curls for silver-tinged elegance, or Juncus effusus (Spiral Rush) for quirky vertical interest. For colourful highlights, Carex flagellifera Red or the starry blooms of Libertia edgariae (Edgar’s Iris) will round out your landscape beautifully. Or create soft movement with Poa cita, another classic New Zealand tussock.

Carex secta grass stands out for its beauty, hardiness, and ecological value, making it a must-have for waterwise gardens, wetland restoration, and anyone keen to celebrate Aotearoa’s unique flora.


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Our garden favourites Alchemilla mollis and Aesculus Briotii get lots of love, but don’t miss out on a few lesser-known delights: Albizia julibrissin 'Rosea', Pittosporum tenuifolium, and Camellia 'Takanini'.
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