US Plant Patent PP26447
Leading Lady Plum
Monarda plant named ‘Leading Lady Plum’
UNDER PATENT
Still under patent. Protection ends September 23, 2034.
Twenty years from the filing date would end on June 6, 2034. This patent earned 109 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP26447
- Filed
- June 6, 2014
- Granted
- March 1, 2016
- Expires
- September 23, 2034
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct cultivar of ornamental cultivar of ornamental bee balm plant named Monarda ‘Leading Lady Plum’ has short, compact, winter-hardy, clumping habit, dark green, and powdery mildew tolerant foliage. The magenta-purple flowers are at least two weeks earlier than Monarda didyma cultivars accented by rows of darker reddish-purple spots and continue for 5 to 8 weeks with branched stems developing above the terminal flower branches. The verticillasters are accented by greyed-purple bracts and sepals.
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 cultivar of ornamental Bee balm plant, Monarda ‘Leading Lady Plum’, as herein described and illustrated, with compact habit, dark green foliage, earlier flowering with numerous magenta-purple flowers with darker reddish-purple spotting and tolerant to powdery mildew especially suitable as a potted plant, for the garden, patio, and for cut flower arrangements.
Read the full patent: US Plant Patent PP26447 in full — the complete specification, every figure, and the file history.