US Plant Patent PP19590
Penharwi
Penstemon plant named ‘Penharwi’
UNDER PATENT
Still under patent. Protection ends October 25, 2027.
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
- PP19590
- Filed
- October 25, 2007
- Granted
- December 23, 2008
- Expires
- October 25, 2027
- Assignee
- SYNGENTA SEEDS BV
- Inventor
- GUTTER MARTIEN EVERETT
Abstract
A new Penstemon plant particularly distinguished by its pinkish-white flower color, early flowering, and good branching habit.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct variety of Penstemon plant named ‘Penharwi,’ as substantially illustrated and described herein.
Read the full patent: US Plant Patent PP19590 in full — the complete specification, every figure, and the file history.