US Plant Patent PP18964
Cinnamon Grappa
Hibiscus plant named ‘Cinnamon Grappa’
UNDER PATENT
Still under patent. Protection ends December 18, 2026.
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
- PP18964
- Filed
- December 18, 2006
- Granted
- June 24, 2008
- Expires
- December 18, 2026
- Assignee
- YODER BROTHERS INC
- Inventor
- SMITH MARK A
Abstract
A new and distinct cultivar of Hardy Hibiscus plant named ‘Cinnamon Grappa’, characterized by its upright and outwardly spreading plant habit; green-colored leaves that are palmately lobed; early flowering habit; and large single red purple-colored flowers.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Hibiscus plant named ‘Cinnamon Grappa’ as illustrated and described.
Read the full patent: US Plant Patent PP18964 in full — the complete specification, every figure, and the file history.