Blechnum Nudum (Fishbone Water Fern)
Blechnum Nudum (Fishbone Water Fern)
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Blechnum Nudum (Fishbone Water Fern) is a premium native fern known for its beautifully structured, fishbone-textured fronds and lush evergreen foliage. Perfect for shaded garden areas, it brings a soft, tropical feel while maintaining a neat, clumping form that enhances garden structure and visual flow. Its elegant arching leaves make it a standout feature in rainforest-style gardens or shaded landscape designs.
Highly adaptable and easy to care for, this fern thrives in moist, well-drained soils and performs best in part shade to full shade conditions. Once established, it requires minimal maintenance while providing year-round greenery and texture. Ideal for mass planting, understory layering, or adding life to difficult damp areas, it is a reliable and attractive choice for both home gardeners and landscape projects.

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Mature height
0.6–1.2m
Mature width
0.6–1m
Spacing
60–80cm apart
Evergreen/Deciduous
Evergreen
Foliage
Bright to deep green fronds with soft, fern-like texture
Flowering Period & Fruit Development/Harvest
Non-flowering fern (spores produced seasonally)
Sun tolerance
Part shade to full shade
Maintenance
Low maintenance; prefers consistently moist soil and occasional removal of old fronds
Root System
Fibrous, spreading root system suitable for stabilising moist soils