Blechnum procerum (Rasp Fern)

How to grow Blechnum procerum (Rasp Fern) in NZ

Blechnum procerum (Rasp Fern) grows best in part shade to full shade and prefers moist, humus rich, free draining soil. Choose a sheltered location out of strong winds and direct afternoon sun. Keep the soil evenly damp during establishment and apply a thick mulch layer to retain moisture. This fern thrives in cool, shaded NZ environments such as bush gardens, shaded banks, and naturalistic landscapes where consistent moisture is available.

Blechnum procerum (Rasp Fern) care tips

Blechnum procerum (Rasp Fern) is low maintenance when kept in moist, shaded conditions. Water regularly during dry spells and top up mulch annually to support soil health. Remove old or damaged fronds to maintain a tidy appearance and encourage fresh growth. A gentle organic fertiliser in spring promotes healthy new fronds. Young plants benefit from frost protection in colder regions until fully established.

Blechnum procerum (Rasp Fern) size spacing and growth rate

Blechnum procerum (Rasp Fern) typically grows forty to sixty centimetres tall and around sixty centimetres wide. Space plants forty to fifty centimetres apart when planting in clusters. Growth is moderate, with the fern gradually forming upright clumps that add structure to shaded landscapes. Once established, it becomes a long lived, resilient garden fern that maintains its shape and colour throughout the seasons.

Landscaping uses for Blechnum procerum (Rasp Fern)

Blechnum procerum (Rasp Fern) is ideal for native landscapes, shaded pathways, fern gardens, and woodland plantings. Its upright fronds create textural contrast against softer ground ferns and shade loving perennials. Plant it beneath trees, along shaded borders, or in mass groupings for a cohesive native look. It pairs beautifully with carex, astelia, and hebe species, adding depth and evergreen structure to NZ garden designs.

Why buy Blechnum procerum (Rasp Fern) from The Plant Company?

Blechnum procerum (Rasp Fern) from The Plant Company is grown with care to ensure strong roots, vigorous fronds, and dependable performance in NZ conditions. Each plant is selected for its quality and resilience so customers can plant with confidence. The Plant Company is NZs most trusted plant nursery and offers expert support to help your native ferns thrive. Choosing this variety guarantees premium stock with enduring natural beauty.