Helictotrichon Sempervirens

Blue Oat Grass

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Plant Code: HESE

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Stiff narrow blue leaves offer fountain-like structural interest and color to the border. Light brown, wispy plumes of seeds rise well above the foliage then arch at the tip. Helictotrichon Sempervirens is a perfect addition to any water wise garden. Pair with burgundy leaved sedum for a striking combination.


Type: Perennials, Grasses
Height: Medium 2' (3.5' in flower)
Spacing: Plant 24" apart
Bloom Time: Early Summer to Late Summer
Sun-Shade: Full Sun to Mostly Sunny
Zones: 4-8   Find Your Zone
Soil Condition: Normal
Flower: Not Applicable
Accent: Not Applicable
Pot Size: 3.5" square x 4" deep

Features to Note

  • For a Slope or Bank
  • Deer Resistant
  • Seaside/Salt Tolerant
  • Winter Interest

Helictotrichon General Information

Helictotrichon does best in full sun but will tolerate light shade. Best blue color is achieved in drier soils. Not particular as to type of soil as long as it is well drained. Evergreen in warmer climates.

Helictotrichon Plant Care

Very low maintenance. If needed cut back to 3-4" in spring before new growth appears. Can rejuvenate at any time by removing older foliage.