Liatris aspera – Rough Gayfeather, Native Prairie Perennial

Rough Gayfeather (Liatris aspera)

Liatris aspera (lee-AT-tris ASS-per-ah) is a tuberous perennial with dense clusters of linear, rough leaves in basal tufts to 16 inches long. Dense spikes up to 18 inches long of button-like lavender-purple flowerheads bloom in late summer and early autumn. Blooms open from the top of the inflorescences downward.

Noteworthy Characteristics

• Good cut flower
• Attracts butterflies and bees

Growing Conditions & Care

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

Propagation

From seed in autumn, or divide in spring.

Potential Problems

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

Quick Reference

• Height: 3–6 ft.
• Spread: 1–3 ft.
• Light: Full sun only
• Moisture: Dry to medium
• Bloom Time: Fall, summer
• Flower Color: Purple
• Uses: Beds, borders, cut flower
• Type: Perennial