'St Mary's Broom' Colorado Blue Spruce is a dwarf, blue, bun-shaped selection. It is a slow-growing plant with relatively long, widely-angled needles. It reliably maintains a mounding or globose habit, without any tendency to develop a leader.
St Mary's Broom thrives in sandy loam or clay soil as long as the site is well drained. It is very hardy and slow growing making it an ideal specimen for a rock garden.