This is a hybrid of H. ventricosa x H. 'Invincible' was registered by Jerry Hadrava of Iowa in 1999 as part of his Rosedale Series. The medium to large size mound has neatly rippled foliage. The leaves are ovate with a twisted tip. They have deep veins with good substance. Its very pale lavender flowers bloom from late June into July.

According to The Hostapedia by Mark Zilis (2009), "The registered parentage may not reflect the true origins of this plant,..."

Dough boys were American soldiers during World War I.