Photo of Juncus effusus flower by The Watershed Nursery

Photo by The Watershed Nursery

Used with permission, all rights reserved

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Juncus effusus

Also Known As

  • Common Rush

Plant type

perennial, grass / grass like, aquatic

size

  • H: 2'-5'
  • W: 2'-5'

planting zones

  • 4a-9b

More Options

Juncus effusus plant details

Juncus effusus is an evergreen perennial aquatic grass (or grassy in appearance) with green foliage. In spring and summer green flowers emerge followed by red fruit. Attracts birds. Grows well with sun - mostly sun and even moisture - regular water. Does well in average, clay and gritty soil. A good option if you're seeking something for erosion control and verticillium wilt resistant.

CHARACTERISTICS OF Juncus effusus

Plant type: perennial aquatic grass (or grassy in appearance)
Plant family: juncaceae
Foliage: evergreen green
Mature size: 2 FT - 5 FT - wide, 2 FT - 5 FT - tall
Flowers: green blooms in spring and summer

GROWING CONDITIONS for Juncus effusus

USDA Zones: 4a - 9b
Sun exposure: sun - mostly sun
Watering frequency: even moisture - regular
Resistant to: deer, erosion and verticillium wilt
Soil needs: average, clay and gritty

Nursery contributed plant descriptions

Common rush is a spreading evergreen perennial. The erect pale-green stems grows 2 - 5' tall. Needs moist soils such as along stream edges and meadows. This clumping rush provides food and nesting for birds and other wildlife. Flowers May - August followed by rust colored fruit capsules that persist for into the winter. Native to California and is also found outside of California, but is confined to western North America. A wide range of mammal and avian species depend on Juncus species for food and habitat. The rhizomes form a matrix for many beneficial bacteria, making this plant an excellent addition for wastewater treatment. Native Americans used the leaves to make mats. Found in wet places on hillsides or valley flats, coastal, salt-marsh. Communitites located in Coastal Salt Marsh, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Foothill Woodland, Chaparral, Valley Grassland, Coastal Strand, Wetland-riparian Between 0 and 7000 feet .
The preference is full sun, wet conditions, and mucky soil; some sand, gravel, or silt is readily tolerated.

By: Moon - Sun Cactus & Koi Gardens

Gardening facts about Juncus effusus plant

How to Grow Juncus effusus

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • even moisture - regular
  • Soil Needs

    • clay
    • average
    • gritty
  • Special Situation

    • erosion control
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • green
  • Wildlife

    • birds
    • deer resistant
  • Fruit

    • red
  • Flower Season

    • summer
    • spring
  • Foliage Season

    • evergreen

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