Robyn Duback registered this
H. 'Sieboldiana' in its background in 1998. It grows to around 20 inches in height and 4 feet wide. The
leaves are broadly ovate, cupped and have thick substance. Its
near white flowers bloom from late June.
The Hostapedia by Mark Zilis (2009), "It has grown larger than her
The American Hosta Society registration lists, so I'm not sure of its ultimate size."
Skookumchuck is a word from the language of the Chinook tribe of
native Americans. The first part, "Skookum" means strong or
powerful while the ending "chuck" means water. So, it is in
reference to some type of powerful water especially the tidal
rapids at the mouths of rivers that dump into the Pacific Ocean.
The Skookumchuck River is in Washington state.
Similar cultivars include H. 'Samual