US Plant Patent PP32739
Butter Rum
Coreopsis plant named ‘Butter Rum’
UNDER PATENT
Still under patent. Protection ends March 18, 2040.
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
- PP32739
- Filed
- March 18, 2020
- Granted
- January 5, 2021
- Expires
- March 18, 2040
- Assignee
- PROBST DARRELL R
- Inventor
- PROBST DARRELL R
Abstract
A new cultivar of hybrid Coreopsis plant named ‘Butter Rum’ that is characterized by its sturdy, well-branched plant habit reaching an average of 42 cm in height and 60 cm in width, its floriferous and long blooming season of nearly sterile inflorescences that do not require deadheading; bloom commences in early July and lasts until frost in Kensington, Conn., its medium sized inflorescences with ray florets that are yellow in color with red flushed tips, its near sterility, its resistance to powdery mildew (Podosphaera macularis) and leafspot (Pseudomonas cichorii), and its cold hardiness at least to U.S.D.A. Zone 5a.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. A new and distinct cultivar of Coreopsis plant named ‘Butter Rum’ as herein illustrated and described.
Read the full patent: US Plant Patent PP32739 in full — the complete specification, every figure, and the file history.