US Plant Patent PP33991
Carnival Cinnamon Stick
Heuchera plant named ‘Carnival Cinnamon Stick’
UNDER PATENT
Still under patent. Protection ends August 29, 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
- PP33991
- Filed
- August 29, 2021
- Granted
- March 1, 2022
- Expires
- August 29, 2041
- Assignee
- BALL HORTICULTURAL CO
- Inventor
- KIEVIT CHRISTA; BATSCHKE KARL F
Abstract
A new and distinct cultivar of Heuchera plant named ‘Carnival Cinnamon Stick’, characterized by its dark reddish-orange and medium green colored foliage, white and reddish-purple colored flowers, and moderately vigorous, mounded growth habit, is disclosed.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
What is claimed is: 1. A new and distinct cultivar of Heuchera plant named ‘Carnival Cinnamon Stick’, substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP33991 in full — the complete specification, every figure, and the file history.