Vernonia baldwinii, western ironweed

Category: Sun Perennials
Family: Compositae
Origin: Central
Evergreen: no
Flower Color: purple
Bloom Time: July to frost
Height: 3 to 5 ft
Width: colonizing
Exposure: sun to part sun
Irrigation: low
Cold Hardiness: -40 F
Description: This Dan Hosage selection has effervescent violet flowers atop large foliage. Plant in any soil with very good drainage.
Links:wildflower.org plants.USDA.gov