Miscanthus sinensis var. purpurascens - Purple Flame Grass - Photo courtesy of Walters Gardens, Inc.
Miscanthus sinensis var. purpurascens - Purple Flame Grass

Purple Flame Grass

Miscanthus sinensis var. purpurascens

Also called Flame Grass

  • Forms a tight clump of arching green leaves on sturdy stalks
  • M. purpurascens has softer-textured leaves than most miscanthus
  • Grass turns a brilliant orange-red in the fall
  • Bloom Time: August to October
  • Flower Type: Feathery panicles
  • Flower colour: Red turning to creamy-white
  • Flower Height: 150 cm
  • Foliage Height: 100-120 cm
  • Grass Type: Warm Season


Purple, Red

120-150 cm

80-100 cm

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Growing and Maintenance Tips:

Plants should be divided, in the spring, every few years, to maintain freshness. Foliage can be left standing all winter, however, it should be pruned early to mid-spring to make way for new growth

Note: Miscanthus purpurascens can be invasive.

Additional Notes about Purple Flame Grass:

Warning: Although individual Miscanthus cultivars are reputedly sterile, two cultivars can sometimes cross-pollinate, and produce viable seed, becoming invasive in several states, and in Southern Ontario. (pers obs.)

Recommendation: plant only one cultivar, and if there are other Miscanthus in the neighbourhood, consider a native or nativar substitute.

Warm Season Grasses: These grasses are much slower starting in the spring. They do not push new growth until temperatures warm in early to midsummer. They flower later in the summer or fall with most blooms remaining into the winter. Most warm season grasses tolerate heat, humidity and drought; some even thrive in these conditions.