Native to mountains and woodlands, Centaurea montana produces vibrant deep blue blooms, surrounded by grey-green foliage. Its spider-like flower heads are sure to make a feature in the garden, perfect for a striking display. Easy to grow and relatively low maintenance, grow this hardy perennial in sunny borders or rockeries. Those looking for a wildlife garden, this plant will attract bees, butterflies and other pollinators to the area. Grow in moist, well-drained soil and position in sun or semi-shade.