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Astelia grandis (Swamp Astelia)

Swamp Astelia

Astelia grandis, known as Swamp Astelia, is a striking native plant found in damp, lowland forests and wetlands across New Zealand. It forms large clumps of broad, pleated green leaves with bronze or purple tones. This perennial grows up to 1.5 m tall and thrives in moist, shaded environments. Swamp Astelia is ideal for naturalistic planting, wetland restoration, and adding bold texture to shaded or damp areas in native gardens.

Astelia grandis plant with green leaves.

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Suited to regions:All regions
Plant type:Flaxes
Height:2.00 m
Spread:1.00 m
Flowering time:
Tolerances:Shade, Wet
Garden uses:
Garden styles:Backyard, City & Courtyard, Frontyard, Modern, Native, Riparian
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asSwamp Astelia
Sku10012

How to grow Astelia grandis

Astelia grandis thrives in moist, shaded environments that mimic its natural habitat on the forest floor. Plant it in well-drained but consistently damp soil, ideally rich in organic matter. Choose a spot with partial to full shade, sheltered from harsh sun and strong winds. Water regularly during dry spells, especially in summer, to maintain soil moisture. Mulching helps retain moisture and suppress weeds. Avoid overly dry or exposed sites, as this plant prefers cool, damp conditions.

Where to buy Astelia grandis

The Plant Company has the best Astelia grandis plants to buy in NZ. Our production nursery specialises in growing amazing plants, and our logistics team packs them carefully for our customers. The pricing is competitive, and the quality is exceptional. The seed is eco-sourced and then grown into amazing plants ready for their new homes. We all love producing this beautiful plant and hearing our customers thank us for providing them with healthy and vibrant plants. Let us take care of your plant needs and impress you with both our products and service!

Astelia grandis care tips

Caring for Astelia grandis involves maintaining consistent moisture and protecting the plant from harsh conditions. Water regularly, especially during dry periods, to keep the soil evenly moist. Apply mulch to retain moisture and suppress weeds. Remove old or damaged leaves to keep the plant tidy and encourage new growth. It generally requires little feeding, but an annual application of a slow-release fertiliser in spring can support healthy foliage. Avoid overly dry, exposed, or frosty sites.

Questions and Answers

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