Baloskion tetraphyllum

RHS Plant Profile
tassel cord rush
tassel cord rush RHS / Joanna Kossak

Synonyms

Restio tetraphyllus

Award of Garden Merit
Grass Like Shrubs

A bamboo-like, evergreen perennial to 2m, with stiff, smooth, bright green stems banded with brown bracts. The upper part of the plant produces dense clusters of fine, feathery, leaf-like, modified stems, topped with loose, upright spikes of small, red-brown, grass-like flowers

Position

Full sun, Partial shade

Soil Types

Loam

Max Height

1.5-2.5 metres

Max Spread

0.5-1 metres

Size

Time to Maturity
5–10 years
Max Spread
0.5-1 metres
Max Height
1.5-2.5 metres

Growing Conditions

Loam
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
South–facing or West–facing
Exposure
Sheltered
Hardiness
H3

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Restionaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
Genus
Baloskion are rhizomatous perennials with a tufted, rush-like growth and feathery foliage. Inconspicuous flowers are borne in brown spikelets, that grouped together can form large panicles; male and female flowers on separate plants
Name Status
Correct
Plant Range
Australia

How to Grow

Cultivation

Grow in moderately fertile, humus-rich, moist, preferably acid soil in full sun or partial shade. Shelter from cold winds. In cold areas grow in large pots of humus-rich compost and overwinter in a frost-free place

Propagation

Propagate by seed sown at 16-18C in spring, or by division in spring. Divisions should be over-potted, kept in a shady, moist frame, and may take a year to recover. Seedlings and divisions should not be allowed to dry out

Suggested planting locations and garden types

  • Architectural
  • Patio and container plants
  • City and courtyard gardens
  • Wall side borders
  • Flower borders and beds

Pruning

No pruning required

Pests

Generally pest-free

Diseases

Generally disease-free