Schoenoplectus lacustris zebrinus

RHS Plant Profile
grey club-rush 'Zebrinus'

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grey club-rush 'Zebrinus' RHS

Synonyms

Schoenoplectus lacustris zebrinus, Scirpus lacustris 'Zebrinus', Scirpus tabernaemontani var. zebrinus, Scirpus variegatus misapplied, Scirpus zebrinus

Aquatic Grass Like Bogs
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A compact evergreen perennial forming a clump of erect green stems which are banded with cream at regular intervals, with small terminal sprays of tiny brown flowers in summer

Position

Full sun

Soil Types

Clay, Loam

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

Clay Loam
Moisture
Poorly–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cyperaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy, Clump forming
Genus
Schoenoplectus are moisture-loving, rhizomatous evergreen perennials with grass-like foliage and insignificant brown flowers in summer
Name Status
Synonym

How to Grow

Cultivation

Grow in fertile wet soil, or in water up to 30cm (12in) deep, in full sun. See pond plants and bog gardens for further advice

Propagation

Carry out pond plant propagation by rooting sections of rhizome from mid-spring to midsummer

Suggested planting locations and garden types

  • Cottage and informal garden

Pruning

In small pools, restrict growth by cutting back the rhizomes annually

Pests

Generally pest-free

Diseases

Generally disease-free