From the sources "Hydrangeas for American Gardens," by Michael A. Dirr (2004), and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Geldere...Read Moren (2004 - Timber Press):
Dwarf shrub to about 3'. Flowerheads bright red. Not suitable for acid soil where they become a muddy purple. (Dirr records color as "blue-purple"). Flowers from July to October. Bred by E. Haller, Switzerland, in 1960.
From the sources "Hydrangeas for American Gardens," by Michael A. Dirr (2004), and "Encyclopedia of Hydrangeas" C.J. and D.M. Van Geldere...Read More