Blechnum brasiliense 'Volcano'
dwarf Brazilian tree fern 'Volcano'
An evergreen fern reaching a height and spread of 1.5m by 1m. The erect to arching fronds are slightly-crinkled; new fronds emerge an intense red colour before maturing to bronze then glossy green. Over time, the erect rhizome will create a thin trunk up to 30cm high
Size
Ultimate height
1–1.5 metresTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Bronze Red | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full shade
- Partial shade
Aspect
East–facing or North–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Blechnaceae
- Native to the UK
- 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 counties only, grow in a very sheltered position in moist, humus-rich neutral to acid soil in full to part shade and provide winter protection
Propagation
Propagate by spores in summer or propagate by division but may take some time to re-establish
Suggested planting locations and garden types
- Patio and container plants
- Sub-tropical
- Wall side borders
Pruning
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.