Rough Blazing Star (Liatris aspera)
Rough Blazing Star (Liatris aspera)

Rough Blazing Star (Liatris aspera)

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Blooms when monarchs migrate. Plant all three tall blazing star species together to extend flowering.
Item #: LIASP
Binomial Liatris aspera

One of the last blazing stars to bloom in the fall. Its appearance is very similar to eastern blazing star (Liatris scariosa) and usually starts to bloom just as eastern blazing star is finishing--which is usually about the time monarch butterflies are migrating.

Butterflies, bees and hummingbirds visit the flowers and birds eat the seeds. The flower buds are also very attractive before they open. Plant all three of the taller blazing stars together to extend and overlap the flowering period.

Uses: cut flowers, pollinators, hummingbirds, wildlife, drought tolerant
Bloom time: September

Height: 2 to 4 feet
Space: 12 to 16 inches

Sun: Full sun to light shade
Moisture: Dry to average (needs to be well-drained)

Seed: Harvest seed in October. Blazing star seed usually germinates readily. Four to six weeks of cold, moist stratification is helpful; sow seed outdoors between November and March.

  • 200 seeds per packet
  • 14,000 seeds per ounce
  • 1 ounce per 400 square feet
  • 6 pounds per acre

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