US Plant Patent PP34540
HoldenRhodo213
Rhododendron plant named ‘HoldenRhodo213’
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
- PP34540
- Filed
- December 27, 2021
- Granted
- September 6, 2022
- Expires
- December 27, 2041
- Assignee
- Holden Forests and Gardens
- Inventor
- KREBS STEPHEN
Abstract
A new cultivar of hybrid Rhododendron plant named ‘HoldenRhodo213’ that is characterized by its resistance to root rot caused by Phytophthora cinnamomi , its cold hardiness at least in U.S.D.A Zone 5a, its flower buds that are pink in color that open to flowers that are creamy white in color with yellow centers, and its adaptability to open field conditions in Northeast Ohio with soil pH up to at least 6.2.
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 ‘HoldenRhodo213’ as herein illustrated and described.
Read the full patent: US Plant Patent PP34540 in full — the complete specification, every figure, and the file history.