Blue Oat Grass

Helictotrichon sempervirens

Pronunciation: hel-ik-toh-TREE-kon sem-per-VY-renz
SKU #03997
4-9

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Graceful fountains of silver-blue blades form neat ornamental clumps that combine well with other grasses. Airy, beige to light brown, terminal panicles appear mid- to late summer. A reliable and attractive accent or specimen, perfect for rock gardens. May remain evergreen in mild winter regions.
LIGHT: Full sun
WATER: Allow soil to dry slightly before watering.
SIZE: Moderate growing; reaches 2 to 3 ft. tall and wide.

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This Plant's Growing Zones: 4-9

USDA Cold Hardiness Zone Map

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Bloom TimeSummer
Deciduous/EvergreenSemi-Evergreen
Special FeaturesDramatic Foliage Color, Easy Care, Improved Pest and Disease Resistance, Waterwise
Problems/SolutionsDeer Resistant, Erosion Control, Rabbit Resistant
Growth RateModerate
Growth HabitClumping
Landscape UseBorder, Ground Cover
Design IdeasBlue Oat Grass is at home in desert gardens as well as in the traditional perennial border. Plant beside landscape boulders, in rock gardens or at the edges of natural pools. Particularly beautiful planted in masses and paired with blue-gray Mediterranean plants.
Flower ColorBrown
Foliage ColorBlue-green
Companion PlantsBarberry (Berberis); Weigela (Weigela); Sedum (Sedum); Yucca (Yucca); Lavender (Lavandula); Ajuga (Ajuga)
Care InstructionsGrows easily in average, well-drained soils. Water deeply, regularly during the first growing season to establish an extensive root system. Once established, water regularly, but allow to dry out slightly between intervals for best foliage color. Drought tolerant in cool climates. Prune away old, faded foliage before new growth emerges in spring.
Details
Bloom TimeSummer
Deciduous/EvergreenSemi-Evergreen
Special FeaturesDramatic Foliage Color, Easy Care, Improved Pest and Disease Resistance, Waterwise
Problems/SolutionsDeer Resistant, Erosion Control, Rabbit Resistant
Growth RateModerate
Growth HabitClumping
Style
Landscape UseBorder, Ground Cover
Design IdeasBlue Oat Grass is at home in desert gardens as well as in the traditional perennial border. Plant beside landscape boulders, in rock gardens or at the edges of natural pools. Particularly beautiful planted in masses and paired with blue-gray Mediterranean plants.
Flower ColorBrown
Foliage ColorBlue-green
Companion PlantsBarberry (Berberis); Weigela (Weigela); Sedum (Sedum); Yucca (Yucca); Lavender (Lavandula); Ajuga (Ajuga)
Care
Care InstructionsGrows easily in average, well-drained soils. Water deeply, regularly during the first growing season to establish an extensive root system. Once established, water regularly, but allow to dry out slightly between intervals for best foliage color. Drought tolerant in cool climates. Prune away old, faded foliage before new growth emerges in spring.

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About Us

We have been pioneers and craftsmen in the art of growing plants for nearly

100 years. Since our founding in Southern California by Harry E. Rosedale, Sr.
in 1926, we have been absolutely dedicated and obsessed with quality.

We have been pioneers and craftsmen in the art of growing plants for nearly 100 years. Since our founding in Southern California by Harry E. Rosedale, Sr. in 1926, we have been absolutely dedicated and obsessed with quality.