Plant Guide

ornamental grass

Big Twister Corkscrew Rush

Juncus effusus 'Big Twister'

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Big Twister Corkscrew Rush (Juncus effusus 'Big Twister') at Wolf Hill Home & Garden

Big Twister Corkscrew Rush foliage

Big Twister Corkscrew Rush foliage

(Photo courtesy of NetPS Plant Finder)

Height:  24 inches

Spread:  24 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4b

Description:

A visually interesting plant with unusually twisted spiraling foliage; well suited to aquatic containers and boggy, poorly drained areas with bright shade; best used in the foreground or in a container

Ornamental Features

Big Twister Corkscrew Rush's attractive twisted grassy leaves remain green in color throughout the season. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes

Big Twister Corkscrew Rush is an open herbaceous perennial grass with an upright spreading habit of growth. Its relatively fine texture sets it apart from other garden plants with less refined foliage.

This is a relatively low maintenance plant, and is best cut back to the ground in late winter before active growth resumes. It has no significant negative characteristics.

Big Twister Corkscrew Rush is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Container Planting
  • Bog Gardens

Planting & Growing

Big Twister Corkscrew Rush will grow to be about 24 inches tall at maturity, with a spread of 24 inches. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 8 years.

This plant does best in full sun to partial shade. It prefers to grow in moist to wet soil, and will even tolerate some standing water. It is not particular as to soil type, but has a definite preference for acidic soils, and is able to handle environmental salt. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selection of a native North American species.

Big Twister Corkscrew Rush is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. With its upright habit of growth, it is best suited for use as a 'thriller' in the 'spiller-thriller-filler' container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Massing  Edging  Garden  Container  Bog 
Applications
Foliage Color  Texture  Plant Form  Winter Value 
Ornamental Features