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HARDY FERNS Blechnum brasiliense 'Volcano'
Commonly known as Crown fern, Dwarf Brazilian tree fern
Large fronds up to 2ft or more with new growth a striking bronze colour. Will tolerate frost to -5°C but would benefit from shelter and some winter protection
Further Reading....
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Evergreen
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Height1-1.5m (3-5ft)
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Spread1-1.5m (3-5ft)
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FernUpright, trunk-like rhizomes, to 30cm (12in) tall and oblong-lance-shaped, pinnate, mid- to dark green fronds with finely toothed, linear pinnae
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Half hardy - unheated greenhouse / mild winterHardy in coastal and relatively mild parts of the UK except in severe winters and a risk from sudden (early) frosts. May be hardy elsewhere with wall shelter or good micro-climate. Likely to be damaged or killed in cold winters. Plant can withstand temperatures down to -5°C (23°F)
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Full shade
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Partial shade
HARDY FERNS Blechnum brasiliense 'Volcano'
- Details
- Description
- Mature Size
- Tips and Advice
- Goes Well With
- Planting Combinations
- Other Suggestions
- See Also...
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Additional FeaturesGood to knowSuits woodland or a shady border where there is some humidityPests & DiseasesNonePlace of originPeru, Brazil
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HardinessFrost hardy (down to -5)
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Soil ConditionsAcid / ericaceous lovingMoist, humus-rich soil
Ferns - Care Guide
- Growing & Caring for Ferns
- ADIANTUM Ferns
- ASPLENIUM Ferns
- ATHRIUM Ferns
- BLECHNUM Ferns
- DRYOPTERIS Ferns
- MATTEUCCIA Ferns
- OSMUNDA Ferns
- POLYSTICHUM Ferns
- Tidying Deciduous Ferns for Winter
- Caring for ferns - Video Tip ondemand_video
- Tidying Ferns - Video Tip ondemand_video
- How do ferns reproduce - Video Tip ondemand_video
- Gymnosperms and angiosperms - Video Tip ondemand_video
1-1.5m (3-5ft)
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1-1.5m (3-5ft) |
Useful extras...

Fertilisers & Feeds - Vitax
Q4 Pelleted Fertiliser
A useful fertiliser suitable for use on a wide variety of plants. Q4 provides all the nutrients and trace elements essential for vigorous growth, abundant flowering and ripening of fruit.
3 options from £6.00

Fertilisers & Feeds - Empathy
Rootgrow mycorrhizal fungi
Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
2 options from £6.00

Fertilisers & Feeds - Empathy
All-purpose Seaweed Stimulant
All-purpose organic concentrated seaweed feed that is a ready to use, derived from sustainable harvested kelp, that can be used on all outdoor and indoor plants, except acid loving plants.
Perfect used in conjunction with Rootgrow™.
Only £7.50