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Centaurea nigra
by Dobies
£19.99from 2 retailers
MPNKA4920
Prices updated 21 Jul 2026
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Product Description
This exciting Common Knapweed, blooms from June until October. It generates bundles of spider shaped flowers, that are purple in colour and a magnet for butterflies! They sit neatly upon fresh green mounds of foliage and work wonderfully in borders and cottage gardening schemes. Happy to grow in direct sunlight, watch it flourish to a height of 75cm, along with a spread of 50cm.
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