Originated by Volker Eschenbach of Planwerk Staudengärtnerei nursery in Germany, this non-registered cultivar is a sport of H. ‘Fortunei Hyacinthina' with streaked variegation. It starts the season blue-green but later changes to dark green with cream colored streaked variegation. 'Chiemsee Surprise' forms a large size (23 inches high by 55 inches wide) mound. Narrow, pale lavender flowers that are funnel shaped form on 36 inch tall scapes from late July into August. 

This cultivar may stabilize into a green colored leaf with a cream colored medial (center) variegation.

The largest lake in Bavaria is the Chiemsee, which is otherwise known as the "Bavarian Sea".