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1L Umbrella Plant Cyperus alternifolius

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Umbrella Plant Cyperus alternifolius - 1L Pot

The Umbrella Plant is an evergreen perennial which forms a clump of erect stems with green foliage and small yellow-green flowers. It has a striking exotic appearance whilst also resembling the spokes of an umbrella; hence the common name of 'Umbrella Plant'. It is a moisture loving plant that grows well in ponds and bog gardens. The Cyperus alternifolius has been awarded the Award of Garden Merit given by the Royal Horticultural Society (RHS), which helps gardeners make informed choices about plants.


  • Flower Colour: Green
  • Foliage Colour: Yellow, green
  • Approx. Growth Height: 0.5m - 1m
  • Max. Spread: 0.5m - 1m
  • Flowering Time: Summer
  • Planting Time: Spring
  • Uses: In ponds, pond margins, bog gardens
  • Growing Habit: Clump-forming
  • Exposure: Sheltered
  • Hardiness: somewhat-hardy
  • Rate of Growth: max height in 2-5 years

RHS Award of Garden Merit

The Award of Garden Merit or AGM is an award made to garden plants by the British Royal Horticultural Society after a period of assessment by the appropriate committees of the Society. Awards are made annually after plant trials (which may last for one or more years, depending on the type of plant being trialled) at RHS Garden, Wisley and other RHS gardens, or after observation of plants in specialist collections. This is intended to judge the plants' performance for conditions in the UK.

Size Options

  • Supplied As: 9cm Pot / 1L Pot
More Information
Colour Test Sand
Flower Colour Green
Flowering Month June, July, August
Is Collection/Mix? No
Needs Ericaceous Compost? No
Colour Green, Sand
Eventual Height 1m-2m
Foliage Colour Green, Yellow
Supplied As 1L Pot
Supplied As 1L Pot
Type Pond Plants