Common Knapweed
Common Knapweed
Wildflower
A tough purple meadow flower — rated among the best of all UK wildflowers for nectar, and a seed-store for goldfinches in autumn.
💡 Fun Facts
- Its tufty purple flowerheads look a little like a thistle, but it has no prickles to catch you.
- It is one of the very best wildflowers for nectar, buzzing with bees and butterflies all summer.
- When the flowers fade, goldfinches flock in to pick out the seeds.
📅 Through the Year
- Flowering:June to September
- Fruiting:August to October
Name Story
Centaurea nigra
means “The centaur's black flower — 'black' for its dark, scaly flower-base”
a traditional storyThe centaur part is a traditional story: the ancient Greeks linked the plant to Chiron the centaur, a legendary healer.
What does its name mean?
- Centaurea — the centaur's plantGreek
- nigra — blackLatinDecode this word →
Beneath the purple tuft sits a hard, almost-black knobbly base — that's the 'black'. The 'centaur' comes from an old story about Chiron the centaur, who was said to heal wounds with this very plant.