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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.
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:
© RHS 2001
the RHS today and get 12 months for the price of 9
Other common names
royal purple plant Persian shield
Strobilanthes dyeriana 'Persian Shield'
Strobilanthes can be evergreen or herbaceous perennials or subshrubs with simple, opposite leaves and spikes, cone-like clusters or loose panicles of tubular or funnel-shaped flowers
S. dyeriana is an evergreen shrub to 1m in height, the lance-shaped dark green leaves with a striking silvery sheen over a reddish-purple flush; flowers light blue, funnel-shaped, 3cm in length, in short terminal spikes
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 East-facing
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow under glass in loam-based compost in full light with shade from hot sun. Grow outdoors in light free draining soil in full sun to partial shade in a frost-free area. Pinch out young growth to encourage bushiness
Propagate by seed or softwood cuttings
Suggested planting locations and garden types
Low Maintenance Wall-side Borders
Pruning Pruning group 9
Pests May be attacked by glasshouse red spider mite
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
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