Southern Cross ironweed
Vernonia 'Southern Cross'
USDA zones4 to 9
SunNeeds full sun (6+ hours)
WaterHandles dry to moderate soil
Size2.5 to 3 feet tall2.5 to 3 feet wide
- Bloom season
- Summer, autumn
- Bloom color
- Purple
Notes
'Southern Cross' ironweed (Vernonia 'Southern Cross') is a perennial for borders, naturalized areas, and cottage gardens. It is hardy to USDA zone 4, or down to -30°F (-34°C). This plant likes full sun and dry to average soil. It grows 30 to 36 inches tall and wide. Purple flowers open in late summer and early autumn. The plant tolerates drought once established.
Pairs well with Blue grama, Evening primrose, and Creeping thyme.