Of unidentified origin, this non-registered cultivar is a sport of H. 'Blue
It is a giant size (36 inches high by 70 inches wide)
plant with blue-green foliage that is slightly
corrugated, broadly ovate-oblong shaped and has thick
substance. It often fades to dark green by the end of
the season. The near-white, funnel shape flowers bloom
in dense clusters from late June into July followed by
The Hostapedia by Mark Zilis (2009), "...may no longer exist..."