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Burncoose Nurseries - part of the Caerhays Estate
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  • HARDY FERNS Blechnum penna-marina
    HARDY FERNS Blechnum penna-marina
    © Burncoose Nurseries, all pictures for illustrative purposes only.
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    HARDY FERNS Blechnum penna-marina HARDY FERNS Blechnum penna-marina HARDY FERNS Blechnum penna-marina HARDY FERNS Blechnum penna-marina ANEMONE hupehensis 'Queen Charlotte' and HARDY FERNS
© Burncoose Nurseries, all pictures for illustrative purposes only.
    >

    HARDY FERNS Blechnum penna-marina

    Commonly known as Alpine water fern

    Forms an evergreen mat of dark green upright fronds, red-tinted when young
    plant size comparison icon
    1.5 to 2 Litre   - Click to view photo
    Delivery Information
    Estimated availability autumn 2026 Any time SEPT-DEC
    £14.50 each 
    MULTIBUY SAVING
    Any 10+ for £12 each
    Any 3+ £13
    Estimated availability autumn 2026 Any time SEPT-DEC - Not yet confirmed. Could be any time between September and December.
     
    Full Plant Details - Sun/Soil & other attributes
    • Pests & Diseases
      None
    • Place of origin
      Australasia, southern South America
    • Evergreen
    • Border
      Suitable for a shaded, sheltered border
    • Cottage garden
    • Town garden
    • Fully hardy
      Borderline
    • Height
      10-15cm (4-6in)
    • Spread
      Indefinite
    • Fern
      Linear or pinnate fronds arise in tufts from rhizomes
    • Hardy - average winter
      Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
      Borderline
    • Acid / ericaceous loving
    • Fertile moist well-drained soil
      Humus-rich.
    • Full shade
    • Partial shade
    View Planting Tips and Care Advice
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    Useful extras...

    Fertilisers & Feeds - Empathy
    Recommended by the RHS. Contains Rootgrow™ mycorrhizal fungi. Suitable for all trees and shrubs (except rhododendrons, azaleas, heathers, cranberries and blueberries)
    Small - 60g sachet
    £3.00
    Medium - 150gm sachet
    £6.00
    Large - 360gram sachet
    £12.00
    Unavailable
    Fertilisers & Feeds - Vitax
    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.
    0.9 kg
    £6.00
    Unavailable
    2.5 kg
    £13.00
    Unavailable
    4.5 kg
    £25.00
    Fertilisers & Feeds - Empathy
    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™.
    1 ltr
    £8.50
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