Rough gayfeather (Liatris aspera) lee-AT-tris ASS-per-ah Genus:  Liatris 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 Characteristics:  Good cut flower. Attracts butterflies and bees. 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. Problems:  Stem rot, rust and leaf spots are common. Slug and snail damage.

Overview

Height 3 ft. to 6 ft. Spread 1 ft. to 3 ft. Growth Habit Clumps Light Full Sun Only Moisture Dry to Medium Characteristics Attracts Butterflies, Native, Showy Flowers Bloom Time Fall, Summer Flower Color Purple Uses Beds and Borders, Cut Flower Seasonal Interest Summer Interest Type Perennials