Carex buchananii 'Green Twist'

RHS Plant Profile
leatherleaf sedge 'Green Twist'

Save a plant

Where do you want to save Carex buchananii 'Green Twist'?

Plants I own
Wishlist
Go to My Plants

Synonyms

Carex buchananii f. viridis 'Green Twist'

Grass Like
Buy this from Plant Nurseries
2 Suppliers

Dense, tufted, evergreen perennial sedge, about 60cm in height, with arching stems and green leaves to 45cm long, curled at the tips. Carries brown flower spikes on semi-trailing stems to 50cm long, in mid and late summer

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
0.5-1 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered
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)
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cyperaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Clump forming, Tufted
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
Name Status
Unresolved

How to Grow

Cultivation

Grow in any reasonable soil in full sun or part shade, avoiding extremes of wet or dry. See ornamental grasses cultivation

Propagation

Propagate by division in mid spring to early summer

Suggested planting locations and garden types

  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Low Maintenance
  • Flower borders and beds

Pruning

Cut out any dead leaves on evergreen species in summer

Pests

May be susceptible to aphids

Diseases

Generally disease-free