This variety can be aggressive and needs to be divided every two years. Silver Mound' is another widely grown variety. It is 12 to 18 inches tall and forms a mound 18 inches in diameter. The foliage is very silky and lacy. This variety is less aggressive and may be used as a border or in rock gardens.
Younger leaves are silvery-white.
Black, fringed bracts occur beneath the solitary blue flowers. This plant prefers full sun to part shade and well-drained soils. Perennial Bachelor's Button possesses good drought tolerance. For the best effect, this species should be massed. Centaurea can be very invasive and should be divided every two years.