US Plant Patent PP31751
Whit XXII
Hibiscus coccineus plant named ‘Whit XXII’
UNDER PATENT
Still under patent. Protection ends February 6, 2039.
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
- PP31751
- Filed
- February 6, 2019
- Granted
- May 12, 2020
- Expires
- February 6, 2039
- Assignee
- LACEBARK INC
- Inventor
- WHITCOMB CARL E
Abstract
The new Hibiscus coccineus plant, ‘Whit XXII’ is characterized by a dense, dwarf, spherical growth habit, typically 20 to 30 inches in diameter covered by dense green foliage during the growing season and accentuated by large scarlet flowers dispersed over the entire form. Flowers last only one day, changing the flowering appearance of the plant daily, but flowering continues for 60 to 90 days depending on growing conditions.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct variety of swamp hibiscus plant, Hibiscus coccineus , substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP31751 in full — the complete specification, every figure, and the file history.