Photo of Juncus effusus 'Unicorn' foliage by Secret Garden Growers

Photo by Secret Garden Growers

Used with permission, all rights reserved

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Juncus effusus 'Unicorn'

Also Known As

  • Dwarf Corkscrew Rush
  • UNICORN CORKSCREW RUSH
  • Unicorn Rush

Plant type

perennial, grass / grass like, aquatic

size

  • H: 23"-39"
  • W: 12"-18"

planting zones

  • 4a-9b

More Options

Juncus effusus 'Unicorn' plant details

Juncus effusus 'Unicorn' is an evergreen perennial aquatic grass (or grassy in appearance) with green foliage. In summer chocolate flowers emerge. Features grassy texture. Grows well with sun - dappled shade and standing water - regular water. Adapts to various soil conditions. Does well in acidic, alkaline, average, clay and gritty soil. A good option if you're seeking something humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Juncus effusus 'Unicorn'

Plant type: perennial aquatic grass (or grassy in appearance)
Plant family: juncaceae
Foliage: evergreen green
Mature size: 12 IN - 18 IN - wide, 23 IN - 39 IN - tall
Flowers: chocolate blooms in summer
Uses: border plant, clumping, container plant, cut leaves, foliage plant

GROWING CONDITIONS for Juncus effusus 'Unicorn'

USDA Zones: 4a - 9b
Sun exposure: sun - dappled shade
Watering frequency: standing water - regular
Resistant to: deer and rabbit, humidity and verticillium wilt
Soil needs: acidic, alkaline, average, clay and gritty

Nursery contributed plant descriptions

Like the spiraling horn of a Unicorn might, the corkscrewed green stems of this 12-15" clumper catch the eye! S-PSh/M-W
An architectural plant with spiraling leaves that look great in arrangements, in a pot or in the garden! 2-3’ mounds of zingy twisting pretty, evergreen, prefers wet but also performs well in average garden conditions. Sun to light shade in hot areas. Most soils, takes clay! Will grow submerged in ponds as an aquatic or in a bog garden. USDA Z4
Spiral blades. Can be used around water
Dwarf Corkscrew Rush. This is a great foliage accent for the wet spots in your garden. Dark green spiraling stems form dense 18" clumps and add contrast. Flower arangers take note.

Gardening facts about Juncus effusus 'Unicorn' plant

How to Grow Juncus effusus 'Unicorn'

  • Sun Exposure

    • sun - dappled shade
  • Water Needs

    • standing water - regular
  • Soil Needs

    • clay
    • acidic
    • alkaline
    • adaptable
    • average
    • gritty
  • Special Situation

    • humidity tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • chocolate
  • Wildlife

    • deer resistant
    • rabbit resistant
  • Flower Season

    • summer
  • Foliage Season

    • evergreen
  • Texture

    • grassy
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