"The Centaurea æGold BullionÆ, Centaurea montana, has small thistle-like single flowers at the end of a delicate stem, being bright blue and very showy. With a height of 18-24ö and a plant width of 18-24ö, it is an excellent late summer to early fall bloomer. The foliage color of æGold BullionÆ is more unique than the rest. Use Centaurea æGold BullionÆ massed in border fronts, cottage gardens or naturalized areas. For planting with other perennials, try æIlluminationÆ Vinca, æVariegatedÆ Sedum or Echinacea æPurple ConeflowerÆ."