A very striking garden plant. The flowerstems are black and contrasting to the yellow flowerspikes. An eyecatching flashy combination from early to late summer. Height 180 cm. Spread 50 cm.
This tall plant with its stiff stems provides useful height at the back of a border. The bright lavender purple flat flower clusters appear from June till the first frosts. Height 150 cm. Spread 60 cm.
