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Inspiring Northern Gardeners Since 1985
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Plant Finder

Find your perfect plant match here. Browse our selection of perennials, shrubs, trees, evergreens, annuals, vegetables, fruits, succulents and houseplants. Find plants you like and save them to your Wish List.

Next, bring your wish list into the store by printing it or saving it to your device. Our friendly, knowledgeable staff will help find everything you need.

Please note: Not all plants are available at all times. The plants shown here are those that we expect to carry this season.

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perennial

Fiber Optic Grass

Isolepis cernua

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Fiber Optic Grass (Isolepis cernua) at Hunniford Gardens

Fiber Optic Grass

Fiber Optic Grass

(Photo courtesy of NetPS Plant Finder)

Height:  12 inches

Spacing:  15 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  8

Other Names:  Live Wire Grass

Description:

This interesting plant lookes like a rush but it is a sedge, a beautiful mounded form with tiny silver flowers on the end resembling fiber optics, great for the perpetually wet or boggy area, it provides an interesting fine texture

Ornamental Features

Fiber Optic Grass is covered in stunning silver pea-like flowers at the ends of the stems from early summer to mid fall. Its tiny threadlike leaves emerge light green in spring, turning green in colour throughout the season.

Landscape Attributes

Fiber Optic Grass is an herbaceous perennial with a shapely form and gracefully arching foliage. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This is a relatively low maintenance plant, and should be cut back in late fall in preparation for winter. It has no significant negative characteristics.

Fiber Optic Grass is recommended for the following landscape applications;

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

Planting & Growing

Fiber Optic Grass will grow to be about 12 inches tall at maturity, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 15 inches apart. It grows at a medium rate, and under ideal conditions can be expected to live for approximately 4 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

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 or pH. It is somewhat tolerant of urban pollution. This species is not originally from North America. It can be propagated by division.

Fiber Optic Grass is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. It is often used as a 'filler' in the 'spiller-thriller-filler' container combination, providing a mass of flowers against which the thriller plants stand out. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden. Be aware that in our climate, most plants cannot be expected to survive the winter if left in containers outdoors, and this plant is no exception. Contact our experts for more information on how to protect it over the winter months.

 
 
Hardiness Zone  Plant Height  Minimum Sunlight   
Characteristics
Massing  Edging  Garden  Container  Bog 
Applications
Flowers  Texture  Plant Form 
Features & Attributes

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​8845 Aquarius Road
Prince George, BC
V2K 5K1
​
phone:
250-967-4325​
email: ​[email protected]
web: ​www.hunnifordgardens.com​
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