Knapweed

Spectacular, golden-yellow thistle like flowers

Spectacular, golden-yellow thistle like flowers on stiff stems in mid- and late summer and lance-shaped, mid-green leaves. This bold plant is ideal for providing vertical interest in a sunny, well-drained herbaceous border. Best on poor soil, the dried seed heads are excellent for use in flower arrangements.Position: full sunSoil: well-drained soilRate of growth: averageFlowering period: July and AugustFlower colour: golden yellowOther features: the flowers are attractive to butterflies and beesHardiness: fully hardy Garden care: Lift and divide large clumps every three years in springGoes well with: Potentilla 'Gibson's Scarlet', Crocosmia 'Lucifer', Trachelospermum jasminoides, Rosa 'L.D. Braithwaite', Dahlia 'Bishop of Llandaff', Cosmos astrosangineus

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