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ornamental grass

Coolio June Grass

Koeleria glauca 'Coolio'

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Coolio June Grass (Koeleria glauca 'Coolio') at North Branch Nursery

Coolio June Grass

Coolio June Grass

(Photo courtesy of NetPS Plant Finder)

Coolio June Grass (Koeleria glauca 'Coolio') at North Branch Nursery

Coolio June Grass

Coolio June Grass

(Photo courtesy of North Branch Nursery)

Height:  18 inches

Spread:  18 inches

Sunlight:  full sun  partial shade 

Hardiness Zone:  4b

Other Names:  Blue Hair Grass, Smooth Junegrass

Description:

This lovely grass is grown for its attractive fine blue-green foliage, topped with silvery white blooms in summer; a focal point in a rock garden, or fine choice for a difficult location

Ornamental Features

Coolio June Grass features airy plumes of white flowers with silver overtones rising above the foliage in early summer. Its grassy leaves remain bluish-green in color throughout the season. The fruit is not ornamentally significant.

Landscape Attributes

Coolio June Grass is a dense herbaceous perennial grass with an upright spreading habit of growth. 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 is best cut back to the ground in late winter before active growth resumes. It has no significant negative characteristics.

Coolio June Grass is recommended for the following landscape applications;

  • Mass Planting
  • Border Edging
  • General Garden Use
  • Groundcover
  • Naturalizing And Woodland Gardens
  • Container Planting

Planting & Growing

Coolio June Grass will grow to be about 14 inches tall at maturity, with a spread of 18 inches. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil pH, but grows best in poor soils. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selected variety of a species not originally from North America.

Coolio June 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 larger 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.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Massing  Edging  Garden  Groundcover  Naturalizing  Container 
Applications
Flowers  Texture  Plant Form 
Ornamental Features