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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.
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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 1999
the RHS today and get 12 months for the price of 9
Other common names
hard shield fern prickly shield fern
Polystichum are mostly evergreen or semi-evergreen ferns, with short stout rhizomes and pinnately divided fronds in neat shuttlecock-like rosettes
P. aculeatum is an evergreen fern forming a neat rosette of bipinnate, erect or arching, leathery dark green, narrowly lanceolate fronds to 90cm long, with slightly prickly pinnules
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect North-facing or East-facing
SoilSand, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in fertile, humus-rich well-drained soil in deep or partial shade; protect the crowns from excessive winter wet and provide a mulch around the crown to prevent crown drying out
Propagate by spores, sow spores at 15-16°C (59-61°F) when ripe. Divide rhizomes in spring or detach fronds bearing bulbils in autumn
Suggested planting locations and garden types
Flower borders and beds Low Maintenance Underplanting of Roses and Shrubs
City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants Rock Garden
Pruning Remove dead fronds before new ones unfurl
Pests Generally trouble free
Dense plantings may be affected by grey moulds (botrytis) or the fungal disease Taphrina wettsteiniana
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
hard shield fern
Buy from £11.99 at the RHS Plants Shop
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