US Plant Patent PP36142
ST-15-20
Gardenia plant named ‘ST-15-20’
UNDER PATENT
Still under patent. Protection ends December 14, 2043.
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
- PP36142
- Filed
- December 14, 2023
- Granted
- September 24, 2024
- Expires
- December 14, 2043
- Assignee
- PREMIER INTRODUCTIONS INC
- Inventor
- DIRR MICHAEL; BEASLEY JEFF; GRIFFIN MARK
Abstract
A new and distinct cultivar of Gardenia jasminoides plant named ‘ST-15-20’, characterized by fragrant, double white flowers, abundant large flowers in spring with reblooming to fall, lustrous, dark green foliage, compact growth habit, cold hardy to USDA Hardiness Zone 7.
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 Gardenia plant named ‘ST-15-20’ as herein illustrated and described.
Read the full patent: US Plant Patent PP36142 in full — the complete specification, every figure, and the file history.