Centaurea macrocephala (Yellow Bighead Knapweed)
Centaurea macrocephala (Yellow Bighead Knapweed)
100 (120)cm, Yellow Bighead Knapweed is a showy perennial species with upright stalks densely covered with yellowish green leaves and topped by a single large bright yellow flower head. Native of high elevation grasslands and subalpine meadows from Armenia to Romania. Easily cultivated in any rich, well drained soil in a sunny spot. VI-VIII.More Details »