US Plant Patent PP32054
COF-HM1
Hydrangea plant named ‘COF-HM1’
UNDER PATENT
Still under patent. Protection ends July 9, 2039.
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
- PP32054
- Filed
- July 9, 2019
- Granted
- August 11, 2020
- Expires
- July 9, 2039
- Assignee
- DIRR MICHAEL A
- Inventor
- DIRR MICHAEL
Abstract
A new and distinct Hydrangea cultivar named ‘COF-HM1’ is disclosed, characterized by compact plants producing mop-head inflorescences with pink or blue flowers, depending upon the absence or presence of aluminum. Plants are well-suited to commercial applications, having a rapid production cycle. Rebloom potential is increased in plants of the new variety, which rebloom on both new growth and old wood. Plants of the new variety are cold hardy and bloom abundantly. The new variety is a Hydrangea, normally produced as an ornamental plant.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Hydrangea plant named ‘COF-HM1’ as herein illustrated and described.
Read the full patent: US Plant Patent PP32054 in full — the complete specification, every figure, and the file history.