H. 'Edward Wargo' is a seedling
of H. 'Hadspen Blue' that was registered by
Henry Weissenberger of New York in 1986. It is a medium size plant growing to about 16 inches
in height and 40 inches wide. The roundish leaves are moderately
corrugated and have thick substance. In late July, it blooms
with lavender flowers.
The Hostapedia by Mark Zilis (2009), "Despite being registered almost
twenty years ago, 'Edward Wargo' (sometimes listed as 'Ed Wargo')
is still an unknown commodity to most host collectors. I've only
seen it in a few collections."