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Triglochin striata (Streaked Arrowgrass)

Triglochin striata, commonly known as Streaked Arrowgrass, is a wetland plant admired for its fine, grassy foliage and delicate flower spikes. This hardy perennial is found in damp soils and coastal margins, where it plays an important role in supporting biodiversity and stabilising soil. Its upright, narrow leaves and subtle flowers bring texture and movement to naturalistic plantings.

Triglochin striata grass in a wet area

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Suited to regions:Subtropical, Temperate
Plant type:Grasses
Height:50 cm
Spread:40 cm
Flowering time:
Tolerances:Wet
Garden uses:Borders, Paths & Steps, Ponds
Garden styles:Backyard, City & Courtyard, Frontyard, Modern, Native, Riparian
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known as
Sku10243

How to grow Triglochin striata (Streaked Arrowgrass) in NZ

Growing Triglochin striata (Streaked Arrowgrass) in New Zealand is straightforward in damp or wet soils. It thrives in full sun but also tolerates partial shade. Plant in wetlands, pond margins, or consistently moist soils for best results. This hardy species adapts well to coastal environments and is valuable in restoration planting where resilience is required.

Triglochin striata (Streaked Arrowgrass) care tips

Caring for Triglochin striata (Streaked Arrowgrass) is simple, as it is naturally suited to wetland conditions. Remove older or damaged foliage occasionally to keep the clump tidy. It requires no fertiliser and thrives with little intervention once established. Mulching during establishment can assist with weed suppression and moisture retention.

Triglochin striata (Streaked Arrowgrass) size, spacing, and growth rate

Triglochin striata (Streaked Arrowgrass) typically grows 20 to 40 cm tall and about 20 to 30 cm wide, forming fine, grassy clumps. For mass planting or restoration work, space plants 30 to 40 cm apart. The growth rate is moderate, with plants establishing steadily and spreading under suitable wetland conditions.

Landscaping uses for Triglochin striata (Streaked Arrowgrass)

Triglochin striata (Streaked Arrowgrass) is ideal for wetland gardens, riparian planting, and coastal margins where moisture is consistent. It adds soft texture and a naturalistic look to damp areas, ponds, and water features. As a native wetland plant, it also provides ecological benefits, supporting biodiversity and stabilising soils in sensitive environments.

Why buy Triglochin striata (Streaked Arrowgrass) from The Plant Company?

Purchasing Triglochin striata (Streaked Arrowgrass) from The Plant Company ensures you receive top quality, healthy plants grown in New Zealand conditions. As NZ’s most trusted plant nursery, we supply robust plants that establish quickly and thrive in the right environment. Customers value our expert guidance, careful packaging, and fast nationwide delivery. When you buy from The Plant Company, you can be confident your Triglochin striata (Streaked Arrowgrass) will bring lasting beauty and ecological value to your landscape.

Questions and Answers

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