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Blue Oat Grass/ Avena

  • Has narrow, steel blue leaf blades
  • Compact, mounded growth habit
  • Great in rock gardens or xeriscape garden
Scientific Name:
Helictotrichon sempervirens
Zone: 4
Mature Height: 2'-3'
Mature Spread: 2'-3'
Size: Average
Bloom Time: Summer
Fruiting: None
Fall Color:
None
Attributes:
Full Sun
Full Sun
Low Water
Low Water
Xeric
Xeric
Additional Information:

Unique Features: Blue Avena grass is native to central and south Western Europe and is similar to a larger Blue Fescue.  Blue Avena is a proven performer dating back to 1993 when it received the RHS Plant of Merit award.  It is not dependably evergreen in our area but it is resistant to both deer and rabbits. Being a cool season grass it usually starts growing in April and should be cut back to 4’’ tall in mid to late March then it grows into rounded clumps of ½’’ wide steely blue blades which taper down to a point and the blades are stiffer and sturdier than those of blue fescue.  The flower plumes emerge up from the center of the clump and can extend up to 4’.  Each stem has a one sided cluster of tiny pale blue flowers that develop into the oat like seed heads.  This is a slow process and sometimes our seasons aren’t long enough to permit full maturity.  It may be used as a specimen or ground cover.

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Blue Oat Grass/ Avena

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Scientific Name: Helictotrichon sempervirens
  • Has narrow, steel blue leaf blades
  • Compact, mounded growth habit
  • Great in rock gardens or xeriscape garden
Zone: 4
Mature Height: 2'-3'
Mature Spread: 2'-3'
Bloom: Summer
Fruiting: None
Flower Color:
None
Fall Color:
None
Attributes:
Full Sun
Full Sun
Low Water
Low Water
Xeric
Xeric