Bob Solberg of Green Hill Farm in North Carolina registered this cross
of H. 'Rhapsody in Blue' ×
H. plantaginea in 2011. It
forms a medium size mound about 14 inches tall by 32 inches wide. The
foliage is slightly rippled, slightly twisted, moderately wavy
and ovate with a cordate base. It bears fragrant purple striped
flowers from mid-July into August.