Dr. Ralph (Herb) and Dorothy Benedict of Michigan registered this cross of H. 'Mikado' × H. 'Dorothy Benedict' in
1995. The large
size mound reaches 19 inches in height with a width of
about 46 inches. Pale lavender flowers bloom in July.
The Hostapedia by Mark Zilis (2009), "By summer's end, the foliage of
'Blast Off' develops an unusual, multicolored effect rarely seen