US Plant Patent PP34628
HoldenRhodo211
Rhododendron plant named ‘HoldenRhodo211’
UNDER PATENT
Still under patent. Protection ends December 27, 2041.
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
- PP34628
- Filed
- December 27, 2021
- Granted
- October 4, 2022
- Expires
- December 27, 2041
- Assignee
- Holden Forests and Gardens
- Inventor
- KREBS STEPHEN
Abstract
A new cultivar of hybrid Rhododendron plant named ‘HoldenRhodo211’ that is characterized by its resistance to root rot caused by Phytophthora cinnamomi, its cold hardiness at least in U.S.D.A Zone 5, its flowers that are pink in color with yellow center markings, and its adaptability to open field conditions in Northeast Ohio.
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 Rhododendron plant named ‘HoldenRhodo211’ as herein illustrated and described.
Read the full patent: US Plant Patent PP34628 in full — the complete specification, every figure, and the file history.