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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 1999
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Other common names
kowhai Sun King
Sophora microphylla Sun King Sophora microphylla 'Hilsop'
Sophora microphylla 'Sun King' Sophora 'Sun King'
Sophora are deciduous or evergreen trees and shrubs with pinnate leaves and pea-like flowers, sometimes fragrant, in racemes or panicles
Sun King is a bushy evergreen shrub with pinnate leaves composed of up to 40 pairs of small oblong leaflets, and yellow pea-type flowers 5cm in length in short racemes in late winter and early spring
Toxicity Highly toxic if ingested
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 or South-facing or West-facing
Exposure Sheltered or Exposed
SoilSand, Loam, Chalk
pHAcid, Neutral, Alkaline
Time to ultimate height
Easy to grow in moderately fertile soil in full sun
Propagate by grafting in late winter
Suggested planting locations and garden types
Flower borders and beds Wall-side Borders
City & Courtyard Gardens Coastal Cottage & Informal Garden
Pruning Pruning group 1
Pests Generally pest free
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