US Plant Patent PP37344
Rule of Plum
Hemerocallis plant named ‘Rule of Plum’
UNDER PATENT
Still under patent. Protection ends December 2, 2045.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.
The record
- Patent number
- PP37344
- Filed
- December 2, 2025
- Granted
- March 24, 2026
- Expires
- December 2, 2045
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
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.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1 . A new and distinct ornamental daylily plant named Hemerocallis ‘Rule of Plum’ as herein described and illustrated.
Read the full patent: US Plant Patent PP37344 in full — the complete specification, every figure, and the file history.