Purple & blue flowers are at their best in a sunny border, when paired with their complement, yellow. The spiky flower stalks are a nice contrast to the wispy, lacy leaves of the neighboring coreopsis and the purple-blue is echoed by the nearby Russian Sage.
Liatris spicata (Blazing Star) 'Kobold' (USDA Zones 3 - 9, 24" x 12", Lilac Blooms: July - August)
Alternatives
- Agastache x 'Black Adder' (USDA Zones 6 - 9, 23" x 15", Purple Booms: July - Sept.)
- Lavendula x intermedia 'Grosso' (USDA Zones 5 - 10, 24" x 18", Purple Blooms: July - Sept.)