Website/Catalog  (2010)  
 
Index of Advanced Generation Herbaceous Hybrids (Mostly Tetraploids) for which pedigree charts have been completed as of 3/15/2010
Advanced Generation Hybrid: Summer Glow
Parentage/Cross: Lady Alex. Duff x Claire de Lune
Originator: Hollingsworth
# of Generations: 3
# of Species: 2

Book  (Jan 2000)  Page(s) 220.  
 
Super Glow Herbaceous Peony. Hollingsworth 1992.