Centaurea macrocephala
knapweed
- Position: full sun
- Soil: well-drained soil
- Rate of growth: average
- Flowering period: July and August
- Flower colour: golden yellow
- Other features: the flowers are attractive to butterflies and bees
- Hardiness: fully hardy
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. - Garden care: Lift and divide large clumps every three years in spring.
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