ALEXANDRIA, Va., June 5 -- United States Patent no. PP36,609, issued on April 15, was assigned to ETERNAL PLANT BOIJL B.V. (Boijl, Netherlands).
"Helleborus plant named 'ET EPB 728'" was invented by Elisabeth Bisschop (Boijl, Netherlands) and Bart Noordhuis (Boijl, Netherlands).
According to the abstract* released by the U.S. Patent & Trademark Office: "A new and distinct cultivar of Helleborus plant named 'ET EPB 728', characterized by its upright plant habit; moderately vigorous to vigorous growth habit; dark green-colored leaves with lighter green-colored marbling; continuous and freely flowering habit; relatively large dark purple-colored flowers that are held above the foliar plane on relatively long peduncles; and good garden perfor...