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Calamagrostis x acutiflora 'Karl Foerster'

Feather Reed Grass
  • Plant Type:
  • Grass & Grass-like, Shrub
  • Evergreen-Deciduous:
  • Semi-Evergreen
  • Overall Mature Size:
  • Small
  • Also Grown As:
  • Bush
  • Mature Height & Spread :
  • 2-3' x 2-3'
  • Natural Growth Habit:
  • Upright, Spreading, Clumping
  • Native To:
  • Hybrid
  • Exposure:
  • Full Sun, Partial Shade
  • Water:
  • Medium Water
  • Flower Color:
  • Yellow
  • Bloom Time:
  • Spring, Summer
  • Special Features:
  • Cold Hardy, Intermountain Conditions
  • Container Sizes:
  • #1, #5
  • Sunset Garden Zones:
  • 2b-24


Calamagrostis x acutiflora 'Karl Foerster' is a graceful medium sized grass, evergreen in milder climates, with lovely purple tinged blossoms that fade to golden blonde as the season progresses.  Feather Reed Grass looks equally appropriate planted as a specimen, or in groups, where even light passing breezes set off graceful undulations.  Even though this grass doesn’t generally go dormant, cut it back in late winter to ensure clean fresh foliage.  Calamagrostis x acutiflora leaves vary in height, between 2 to 3 feet, and size is ultimately determined by how much water they get.  ‘Karl Foerster’ is well suited to bog gardens, but can be planted in drier areas as well, if given medium irrigation.