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Juncus effusus ‘Unicorn’
Juncus effusus ‘Unicorn’
Garden Diary

Date purchased or acquired:

Where acquired:

Location in the garden:


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Juncus effusus ‘Unicorn’

Unicorn Rush

USDA Zone: 4-9

Plant number: 8.240.100

Developed and introduced by the University of British Columbia Botanical Gardens. This is a vast improvement on the older varieties of Spiral Rush. Leaves are round and stem-like, with a unique corkscrew spiral all the way up to the tip. The selection is tall and sturdy, with a deep green colour and evergreen habit in mild-winter regions. Flowers are brownish and insignificant. ‘Unicorn’ is a superb choice for beside a pond or stream, as a marginal water garden plant, or in any damp sunny area. Great foliage for cut flower arranging. Stems may be trimmed back hard in spring.

Further details for
Juncus effusus ‘Unicorn’

Optimal Growing
Appearance and
Sun Exposure
  Full Sun or
  Partial Shade
Soil Type
  Normal or
Soil pH
  Neutral or
  Alkaline or
Soil Moisture
  Average or
  Moist or
Care Level
Flower Colour
Blooming Time
  Early Summer
  Mid Summer
Foliage Color
  Deep Green
Plant Uses & Characteristics
  Accent: Good Texture/Form
  Cut Flower
   60-100 cm
   23-39 inches
   30-45 cm
   12-18 inches
Foot Traffic
Growth Rate