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Trim if required after fl
Very hardy and drought tolerant
in his Mediterranean garden books
4 White with pink eye
What a riot of clarity
Centaurea nigra weed suppressing Trim if required after flCommon knapweed is a tough, attractive, and easily grown hardy perennial flower, native to the British Isles. Nectar and pollen rich. The seeds attract finches. Almost a weed. The pink purple flowers lookalike mini thistles at first glance, (not prickly). Due to their hardiness they are perfect meadow plants and in spots that are hard to fill, Fine in sun or part shade, they flower over a long period, followed by architectural seed heads. 80 90cm
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