US Plant Patent PP29005
Horthamp
Hydrangea plant named ‘Horthamp’
UNDER PATENT
Still under patent. Protection ends November 14, 2036.
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
- PP29005
- Filed
- November 14, 2016
- Granted
- February 27, 2018
- Expires
- November 14, 2036
- Assignee
- KOLSTER HOLDING B V, Horteve Breeding BV
- Inventor
- EVELEENS CORNELIS PIETER
Abstract
A new cultivar of Hydrangea macrophylla plant named ‘Horthamp’ that is characterized by its picotee sterile flowers with sepals that are white in color with deep reddish pink margins when young and becoming pink in color with similar margins when mature and its sterile flower sepals with occasional green streaks.
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 Hydrangea plant named ‘Horthamp’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP29005 in full — the complete specification, every figure, and the file history.