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The Plant Guide

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Rough gayfeather

Liatris aspera

lee-AT-tris ASS-per-ah

This tuberous perennial has dense clusters of linear, rough leaves borne in basal tufts to 16 inches long. Dense spikes, up to 18 inches long, of button-like lavender-purple flowerheads are borne in late summer and early autumn. Blooms open from the top of the inflorescences downward.

Noteworthy CharacteristicsGood cut flower. Attracts butterflies and bees.

CareGrow in moist but well-drained soil in full sun. Might rot in wet winters if grown in heavy soil.

PropagationFrom seed in autumn, or divide in spring.

ProblemsStem rot, rust and leaf spots are common. Slug and snail damage.

  • Genus : Liatris
  • Plant Width : 1 to 3 feet
  • Zones : 3, 4, 5, 6, 7, 8, 9
  • Plant Height : 3 to 6 feet
  • Moisture : Dry to Medium
  • Bloom Time : Fall, Summer
  • Light : Full Sun
  • Plant Type : Perennials
  • Plant Seasonal Interest : Summer Interest
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