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Blechnum penna-marina

Alpine Water Fern

Hardy Perennial

What is Hardy Perennial?

Evergreen, ground-covering fern

Young copper/red fronds age to green

Awarded an RHS AGM

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Please note: This product cannot be delivered outside the United Kingdom.
Description How to Grow More Info Delivery

A beautiful, evergreen, ground-covering fern for moist, acid soils. Blechnum penna-marina slowly forms mats of delicate finger-like fronds that emerge in shades of pink, bronze and red before maturing to fresh green. Lovely paired with the young bronze foliage of Epimedium 'Frohnleiten'. This useful plant will even tolerate full shade. RHS Award of Garden Merit. Height and spread: 30cm (12in).

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

Height Up to 30cm (12in)
Spread Up to 30cm (12in)

Hardy Perennial

dappled shadeshade


1 x 9cm Potted Plant (KF7454)
3 x 9cm Potted Plants (KF7455)

Plant in partial to full shade in fertile, moist, acid soil. Ferns prefer a soil that is rich in organic matter so add some well rotted manure or garden compost to the soil prior to planting.
Feed and water ferns regularly until they are fully established. Leave old fronds on over winter to protect the crown. Apply a mulch of well rotted manure or garden compost around each plant in spring.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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