ALEXANDRIA, Va., March 24 -- United States Patent no. PP37,344, issued on March 24, was assigned to Walters Gardens Inc (Zeeland, Mich.).
"Hemerocallis plant named 'Rule of Plum'" was invented by Hans A. Hansen (Zeeland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A new and distinct Hemerocallis plant named 'Rule of Plum' characterized by winter-hardy compact habit with clean medium-green foliage that goes dormant in the winter. The flowers are single, rounded, lightly fragrant, deep purple with a yellow-green throat. Inner tepals are reflexed with slightly crisped margins. The new plant flowers on stems up to 57 cm tall with four-way branching beginning about mid-July."
The patent was filed on Dec...