Helictotrichon sempervirens 'Saphirsprudel' - Blue Oat Grass - Photo courtesy of Walters Gardens, Inc.

Sapphire Blue Oat Grass

Helictotrichon sempervirens 'Saphirsprudel'

  • AKA Helictotrichon sempervirens 'Sapphire'
  • Semi-evergreen ball of spiky blue blades, brighter blue than the species
  • Rare blue seed heads turn tan in colour and persist through the winter
  • Bloom Time: Late spring
  • Flower Height: 100 cm
  • Foliage Height: 60 cm
  • Grass Type: Cool Season

ZONE:
4

COLOUR:
Blue

HEIGHT:
60-100 cm

SPREAD:
50-60 cm

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Growing and Maintenance Tips:


Thrives in full sun or light shade in a well-drained soil. Remove dead foliage in the spring. Clumps need to be divided in the spring every 2-3 years to maintain vigour. 

'Sapphire' is purportedly one zone hardier, and more disease resistant, than the species.

Additional Notes about Sapphire Blue Oat Grass:


Cool Season Grasses: These grasses do the majority of their growing in early spring and start again when temperatures start to cool in the fall. During the warmer summer months, they stop growing and some will even go dormant. Cool season grasses flower in the spring or early summer. Most cool season grasses grow best in a consistently moist soil.
 

 

Characteristics & Attributes


SOIL MOISTURE:
Average to Dry Soils
GROWTH RATE:
Medium
FLOWERING TIME:
Summer
Lt. Spr-Sum
HABIT:
Clumping
Rounded
FOLIAGE COLOR:
Blue
LANDSCAPE USES:
Foundation planting