Miscanthus sinensis 'Strictus' - Porcupine Grass
Miscanthus sinensis 'Strictus' - Porcupine Grass - Photo courtesy of Walters Gardens, Inc.

Porcupine Grass

Miscanthus sinensis 'Strictus'

  • Stiff leaves are held almost vertical on sturdy upright stems
  • Similar to M. 'Zebrinus' forming a tighter, more upright clump
  • Green leaves with horizontal bands of yellow turn tan and red in fall
  • Flower Type: Feathery panicles developing in August
  • Flower Colour: Reddish-bronze turning silver-white
  • Flower Height: 250 cm
  • Foliage Height: 175-200 cm
  • Grass Type: Warm Season

ZONE:
5

COLOUR:
Burgundy, Red

HEIGHT:
175-250 cm

SPREAD:
100-150 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.

Additional Notes about Porcupine 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.

 

Characteristics & Attributes


GROWTH RATE:
Medium
FLOWERING TIME:
Fall
Lt. Sum-Fall
HABIT:
Upright
Clumping
FOLIAGE COLOR:
Variegated
Green
Yellow
LANDSCAPE USES:
Screening (privacy)
Specimen