Unknown - Tell us
This plant is said to grow outdoors in the following regions:
Marietta, Georgia
Royal Oak, Michigan
Cape May Court House, New Jersey
New Richmond, Wisconsin
Flower scapes 30"-39". H. sieboldiana xH. ventricosa, B. Sleigh 1999.
Flower scapes 30"-39". H. sieboldiana xH. ventricosa, B. Sleigh 1999.