Join the RHS today and support our charity
Free personalised gardening advice
RHS members get reduced ticket prices
RHS members get free access to RHS Gardens
Reduced prices on RHS Garden courses and workshops
020 3176 5800
Mon – Fri | 9am – 5pm
Make a donation
I have forgotten my password
Keep me signed in
Register for free to receive our newsletters, add comments to blogs/articles and to save content.
See what events are on near you and browse your bookmarked pages.
Don’t miss out - book in advance and save
We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
© RHS 2002
the RHS today and get 12 months for the price of 9
Other common names
hard fern deer fern
herringbone fern northern fern rusty back snake fern
Blechnum boreale Blechnum heterophyllum
Blechnum are mostly evergreen ferns with erect or creeping rhizomes and simply pinnate, leathery fronds, the fertile ones usually erect, the sterile often spreading
B. spicant is a neat, tufted evergreen fern to 50cm, with spreading, narrow, dark green, simply pinnate sterile fronds and erect fertile fronds with linear pinnae
Temp. N Hemis.
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or North-facing or West-facing or East-facing
Exposure Exposed or Sheltered
MoisturePoorly-drained, Moist but well-drained
Time to ultimate height
Easy to grow in most cool, moist, shaded sites
Propagate by sowing spores (may not come true) in mid to late summer or by division in spring
Suggested planting locations and garden types
Flower borders and beds Underplanting of Roses and Shrubs
Pruning Dead or damaged fronds may be removed as necessary
Pests Generally pest free outdoors
Generally disease free outdoors
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
was £11.99 Buy from £8.99 at the RHS Plants Shop
We're a UK charity established to share the best in gardening. We want to enrich everyone's life through plants, and make the UK a greener and more beautiful place.
Join the RHS today and get 12 months for the price of 9