Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Partial shade
Aspect
North–facing or East–facing
Exposure
Sheltered Hardiness
H1BBotanical details
- Family
- Blechnaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Columnar upright
- Genus
Blechnum are mostly evergreen ferns with erect or creeping rhizomes and simply pinnate, leathery fronds, the fertile ones usually erect, the sterile often spreading
- Name status
Unresolved
How to grow
Cultivation
Best grown under glass in frost-free conditions in a neutral to acid loam compost with bright filtered or indirect light, a humid atmosphere and good ventilation. Outdoors, for warmer UK counties only, grow in a very sheltered position in moist, humus-rich neutral to acid soil in full to part shade. See how to grow tender ferns outdoors or how to grow ferns as houseplants for further advice
Propagation
Propagate by spores in summer or propagate by division but may take some time to re-establish
Suggested planting locations and garden types
- Houseplants
- Patio and container plants
- Sub-tropical
- Conservatory and greenhouse
Pruning
No pruning required. Tidy if necessary, removing older fronds
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.