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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.
the RHS today and get 12 months for the price of 9
Other common names
wood cranesbill 'Birch Lilac'
Geranium can be annuals, biennials and perennials, herbaceous or evergreen, with rounded, usually palmately lobed or divided leaves, and lax inflorescences of rounded, 5-petalled flowers
'Birch Lilac' is a clump-forming herbaceous perennial, about 70cm high, with deciduous, deeply lobed mid-green leaves, and cup-shaped lilac-purple flowers with white centres from late spring to early summer
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 West-facing or East-facing or North-facing
Exposure Exposed or Sheltered
MoistureMoist but well-drained
SoilLoam, Chalk, Sand, Clay
pHNeutral, Alkaline, Acid
Time to ultimate height
Grow in sun or light shade in moist but well-drained soil
Propagate by division in spring
Suggested planting locations and garden types
Flower borders and beds Ground Cover Underplanting of Roses and Shrubs Banks and Slopes Low Maintenance
Wildlife Gardens Cottage & Informal Garden City & Courtyard Gardens
Pruning No pruning required, but cutting back flowered stems and old leaves may encourage the growth of fresh leaves and flowers
Pests Generally pest-free, but may be affected by capsid bug, geranium sawfly, vine weevil, slugs and snails
Generally disease-free, but may be affected by a rust, a downy mildew, leafy gall, and virus diseases; may also be affected by powdery mildews in dry conditions
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.