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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
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Other common names
Phlomis samia Boiss. Phlomis viscosa misapplied
Phlomis can be herbaceous perennials or evergreen shrubs, with sage-like leaves and whorls of tubular, hooded flowers over a long period in summer
P. russeliana is a hairy perennial to 90cm in height, with large, ovate, rough-textured grey-green leaves. Stout stems bear whorls of hooded, soft yellow flowers 3cm in length
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect East-facing or South-facing or West-facing
Exposure Exposed or Sheltered
MoistureWell-drained, Moist but well-drained
SoilSand, Loam, Chalk
pHAcid, Alkaline, Neutral
Time to ultimate height
Grow in fertile, well-drained soil in full sun; will tolerate partial shade
Propagate by division in spring. Propagate by seed sown at 13-18°C in spring
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden Mediterranean Climate Plants
Pruning Pruning group 8 or pruning group 9
Pests Leafhoppers may be a problem
Generally disease free
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Join the RHS today and get 12 months for the price of 9