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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
umbrella plant umbrella sedge
dwarf papyrus grass
Cyperus alternifolius misapplied Cyperus alternifolius subsp. flabelliformis
Cyperus flabelliformis Cyperus involucratus 'Flabelliformis'
Cyperus can be annuals or evergreen, rhizomatous perennials, with linear, grass-like leaves and terminal clusters of small greenish flower-spikes with spreading leaf-like bracts beneath
C. involucratus is an evergreen perennial forming a clump of erect stems to 60cm, ending in a whorl of dark green, grassy leafy bracts; flowers insignificant, yellowish-green
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
SoilSand, Clay, Chalk, Loam
pHAcid, Alkaline, Neutral
Time to ultimate height
Under glass grow in loam-based potting compost in bright filtered light. Water freely in summer and maintain high humidity. Apply a balanced liquid fertiliser monthly. Can be grown outdoors as a bog or marginal plant
Propagate by seed at 18 to 21°C in spring in constantly moist seed compost
Suggested planting locations and garden types
Patio & Container Plants
Pruning Cut back dead material in autumn
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.