About
Blechnum fluviatile is a compact, evergreen fern characterized by upright fertile fronds at the center, encircled by sprawling sterile fronds. The leaflets are small and oval in shape, while the stems display a covering of dark brown bristles.
About the genus
Blechnum consists primarily of evergreen ferns characterized by upright or spreading rhizomes. The fronds are typically simple and pinnate, with fertile fronds standing upright while the sterile ones tend to spread out.
Growing conditions
- Sunlight
- Partial shade
- Soil type
- Loam, Clay
- Soil pH
- Neutral, Acid
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, East-facing, North-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
- Plant type
- Ferns, Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden
- Native to
- Malesia to New Zealand
Care notes
- Cultivation
- Grow in moist but free draining soil in partial shade. For more information see how to grow ferns for further advice
- Pruning
- No pruning required
- Propagation
- Propagate by division or spores
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free