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Sapphire Blue Oat Grass

Helictotrichon sempervirens 'Sapphire Blue'

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Sapphire Blue Oat Grass (Helictotrichon sempervirens 'Sapphire Blue') at America's Best Flowers

Sapphire Blue Oat Grass

Sapphire Blue Oat Grass

(Photo courtesy of NetPS Plant Finder)

Plant Height:  24 inches

Flower Height:  3 feet

Spread:  24 inches

Sunlight:  full sun 

Hardiness Zone:  3a

Ornamental Features

Sapphire Blue Oat Grass' attractive grassy leaves remain blue in color throughout the year. The tan seed heads are carried on plumes from mid summer to late fall. The flowers are not ornamentally significant.

Landscape Attributes

Sapphire Blue Oat Grass is an herbaceous evergreen perennial grass with a mounded form. 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.

Sapphire Blue Oat Grass is recommended for the following landscape applications;

  • Border Edging
  • General Garden Use

Planting & Growing

Sapphire Blue Oat Grass will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, 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 medium rate, and under ideal conditions can be expected to live for approximately 10 years.

This plant should only be grown in full sunlight. It prefers to grow in average to dry locations, and dislikes excessive moisture. It is not particular as to soil type, but has a definite preference for alkaline 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. It can be propagated by division; however, as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation.

 
 
Hardiness Zone Plant Height Minimum Sunlight Soil pH Preference
Characteristics
Edging  Garden 
Applications
Fruit  Foliage Color  Texture 
Ornamental Features

 

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