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Centaurea macrocephala - Giant Knapweed -A large, clump-forming perennial with simple or lobed leaves and yellow flower-heads 5cm across opening in summer from brown buds. Best grown in moist but well-drained soil in sun or partial shade. 

Foliage: Deciduous

Height: 1-1.5m in 2-5 years

Spread: 20-40cm

The pictures in this listing are examples of the available plant at maturity and do not indicate anything in regards to size of plant at the point of sale

Organically produced young plant grown in a 9cm pot for planting immediately or to grow on (pot removed when possible, to reduce plastic waste)

Centaurea macrocephala Giant Knapweed yellow flowers in late summer

SKU: BP202400234
  • Centaurea
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