Articles

Rain Garden Plants: Blazing Star (Liatris spicata)

Provides a description, characteristics, site conditions, and images for blazing star.
Updated:
April 13, 2022

Linear, alternating, grass-like leaves are longer at the bottom (up to 10 inches) and shorten as they ascend the stem. Wand-like, showy spikes of flowers may be 1 to 2 feet tall. Great nectar source. Attracts bees, moths, butterflies, and hummingbirds. Seeds are eaten by songbirds. Deer resistant.

Height: 24 to 36 inches
Bloom color: Purple
Bloom time: July to September
Hardiness zone: 3 to 9
Salt tolerance: N/A
Spreading habit: Clump-forming; can produce new colonies from its shallow, fibrous-rooted corms; most often propagates by seed. 

Liatris plants, before flowering
Jodi Sulpizio, Penn State Extension
Closeup of leaves of liatris
Jodi Sulpizio, Penn State Extension

Site Conditions

Sun: Sun/partial shade
Soil: Acidic (pH < 6.8)
Hydrologic zones: Moist/dry

Closeup of flower spike of liatris - light purple flowers
Jodi Sulpizio, Penn State Extension

Sources

Missouri Botanical Garden Plant Finder.

North Carolina Extension Gardener Plant Toolbox.

Prepared by Jessica Chou, Jodi Sulpizio, and Constance Schmotzer.

Constance Schmotzer
Former Master Gardener Coordinator
Pennsylvania State University
Jessica Chou