A vigorous cultivar, very hardy and large heads up to 20cm, that are a beautiful cobalt blue on acid soils, but a mauve-purple on alkaline soils.  The sepals are smooth edged, and the centre of the florets is lighter in colour.

Gardens found in the 10 surveyed in 2010: AW

UK  Plant Finder 2012: 1 Nursery (Burncoose Nursery)