US Plant Patent PP19988
MADGA I
Gardenia plant named ‘MADGA I’
UNDER PATENT
Still under patent. Protection ends October 30, 2027.
Twenty years from the filing date would end on August 21, 2027. This patent earned 70 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP19988
- Filed
- August 21, 2007
- Granted
- May 12, 2009
- Expires
- October 30, 2027
- Assignee
- UNIV GEORGIA RES FOUND
- Inventor
- DIRR MICHAEL A
Abstract
A new and distinct cultivar of common gardenia , Gardenia augusta, which is characterized by a unique upright columnar dense growth habit; small lustrous black green foliage that holds the color in winter, increased cold hardiness (Zone 6) compared to Zone 8 for the typical species variety; abundant, fragrant, white flowers in May-June with repeat blooming into August-September and colorful six-winged orange-red, 2.5 cm long fruits maturing in October and persisting into December.
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 Gardenia plant named ‘MADGA I’, substantially as herein described and illustrated.
Read the full patent: US Plant Patent PP19988 in full — the complete specification, every figure, and the file history.