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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 2002
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Other common names
flax lily 'Sundowner'
Phormium colensoi 'Sundowner' Phormium tenax 'Sundowner'
Phormium are evergreen perennials, making a large clump of leathery, strap-shaped leaves, with tall panicles of small, tubular flowers in summer
'Sundowner' is an evergreen perennial forming a clump of erect leaves to 1m or more, bronze-green striped towards the margins with red and pink. Flowers yellowish, seldom produced
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
MoistureWell-drained, Moist but well-drained
pHAcid, Neutral, Alkaline
Time to ultimate height
Grows best in fertile well-drained soil in full sun. May need protecting in northern climes
Propagate by division in spring
Suggested planting locations and garden types
Low Maintenance Flower borders and beds
Architectural City & Courtyard Gardens Coastal Gravel Garden
Pruning Dead or damaged leaves may be removed in the spring
Pests Phormium mealybug may be a problem
Generally disease free
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
flax lily 'Sundowner'
Buy from £17.99
at the RHS Plants Shop
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Join the RHS today and get 12 months for the price of 9