Where & How to grow Lesser Knapweed Centaurea Nigra
Lesser or Common Knapweed is a colourful thistle like plant. It has Reddish/Purple flowers packed on to flower heads shaped like globes. It also has lance shaped leaves.Common Knapweed can grow quite tall and can look beautiful as part of a summer meadow garden on a hedge bank or in a border.
Lesser Knapweed is particularly beneficial to bees and butterflies. It can also look very attractive when dried.
Flowering season June to September
Height 30 to 60 centimetres
Soil Prefers moderately fertile conditions
Site Will grow best in sun or semi shade
Lesser Knapweed is a perennial and will come back year after year. You can grow Common Knapweed successfully from seed planted in the spring or autumn and the seed should be planted where you want it to grow. For quicker establishment introduce it in the form of Plug Plants.