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Spodiopogon sibiricus

Frost grass

Native to Asia


A large dense ball of blue-green foliage that is topped by upright showy flowers beginning in July and do not break apart with the first strong wind or snow fall often persisting into February.  Prefers moist to wet soils in full sun to part shade. In hot climates it is difficult to establish.  Fall color is the pièce de résistance for this grass, with burgundy and blue hues catching the autumn rays of the sun.  


3-5 ft


18-24 in


30-36 in

USDA Hardiness Zone:

5 - 9

Bloom Color:


Spodiopogon sibiricus Characteristics


  • Bog
  • Naturalizing
  • Long Blooming
  • Interesting Foliage
  • Rain Garden
  • Dried Flower


  • Full Sun to Partial Shade

Flowering Months

  • February
  • December
  • January
  • November
  • October
  • September
  • August
  • July

Foliage Color

  • Blue-Green

Grass Season

  • Warm Season Grass

Growth Rate

  • Slow

Season of Interest (Foliage)

  • Summer
  • Spring
  • Winter
  • Fall

Soil Moisture Preference

  • Moist to Wet

Substitutions for Spodiopogon sibiricus

Switch grass Switch grass (Panicum virgatum 'Prairie Sky')
Little bluestem Little bluestem (Schizachyrium scoparium 'Standing Ovation PP 25202')