Available from - Spring Hill Nurseries
https://www.springhillnursery.com/

From Internet Source:

Flowers are pale blue-mauve with wavy edges and deeply furrowed midribs. Anthers are deep red on creamy-yellow filaments.

Planting in a shady position protect the coloring.

Can be grown in containers.

Raised at the nursery of F.M. Westphal, Prisdorf, Germany

Available in the United States from Spring Hill Nurseries