US Plant Patent PP34638
HP220901
Hydrangea plant named ‘HP220901’
UNDER PATENT
Still under patent. Protection ends February 26, 2042.
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
- PP34638
- Filed
- February 26, 2022
- Granted
- October 11, 2022
- Expires
- February 26, 2042
- Assignee
- HYDRANGEA BREEDERS ASS B V
- Inventor
- ARTS NIELS
Abstract
A new and distinct cultivar of Hydrangea plant named ‘HP220901’, characterized by its relatively compact, upright to somewhat outwardly spreading and rounded to conical plant habit; moderately vigorous growth habit and moderate growth rate; freely branching habit with strong, thick and sturdy stems; freely and uniformly flowering habit; large inflorescences with numerous light yellow green-colored sterile flowers that become purplish red in color in the autumn; and good garden performance.
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 Hydrangea plant named ‘HP220901’ as illustrated and described.
Read the full patent: US Plant Patent PP34638 in full — the complete specification, every figure, and the file history.