Cyperus papyrus 'Nanus'

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dwarf papyrus

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Synonyms

Cyperus papyrus 'Haspan'
Cyperus haspan misapplied
Cyperus haspan var. viviparus

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Conservatory Greenhouse Aquatic
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'Nanus' is a compact clump-forming plant to 1.2m, with narrow leaves and rounded umbels of many long-stalked tiny brown flower-heads

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
2–5 years
Max Spread
0.5-1 metres
Max Height
1-1.5 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
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)
H1C

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cyperaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Genus
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
Name Status
Accepted

How to Grow

Cultivation

Under glass grow in peat-free, 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

Propagation

Propagate by seed at 18 to 21°C in spring in constantly moist seed compost. Divide in spring

Suggested planting locations and garden types

  • Patio and container plants

Pruning

Cut back dead material in autumn

Pests

Generally pest-free

Diseases

Generally disease-free