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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:
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 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