• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Carex comans 'Frosted Curls'

sedge 'Frosted Curls'

sedge 'Frosted Curls'

© RHS

  • Other common names sedge 'Frosted Curls'

  • Synonyms Carex albula 'Frosted Curls'
    Carex flagellifera 'Frosted Curls'

    Carex fraseri 'Frosted Curls'
    Carex 'Frosted Curls'

    see more
  • Family Cyperaceae

  • Genus Carex can be deciduous or evergreen, rhizomatous or tufted perennials, with triangular stems bearing linear or strap-shaped leaves and short or long spikes of tiny green or brown flowers

  • Details 'Frosted Curls' is an evergreen perennial creating a mop-head of very slender, shimmering, silvery-green leaves. The flowers are insignificant

Characteristics

  • Foliage Evergreen

  • Habit Tufted

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H4

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or North-facing or West-facing or East-facing

  • Exposure Exposed or Sheltered

Soil

  • Loam

    Loam

  • Chalk

    Chalk

  • Sand

    Sand

  • Clay

    Clay

  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Chalk, Sand, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Easy to grow in most well-drained, fertile soils. Will not tolerate excessive winter wet

Propagation Propagate by seed, sown in containers in a cold frame in spring or by division in early summer

Suggested planting locations and garden types Flower borders and beds Low Maintenance Garden Edging City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Prairie Planting

How to care

Pruning In summer cut out or comb out any dead leaves

Pests Aphids sometimes attack stem bases

Diseases Generally disease free

Advertise here

Did you find the information you were looking for?

RHS members can get exclusive individual advice from the RHS Gardening Advice team.

Join the RHS now