US Plant Patent PP20316
Zulu
Hydrangea plant named ‘Zulu’
UNDER PATENT
Still under patent. Protection ends September 15, 2028.
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
- PP20316
- Filed
- September 15, 2008
- Granted
- September 15, 2009
- Expires
- September 15, 2028
- Assignee
- KLAVEREN ARIE D
- Inventor
- KLAVEREN ARIE D
Abstract
A new cultivar of Hydrangea macrophylla named ‘Zulu’ that is characterized by its strong stems that are dark purple-brown to purple-black in color, its dwarf plant habit, its dark green foliage, and its mophead type inflorescences that form a flattened mound and are pink in color (bluer in color depending with alkaline pH and sufficient aluminum levels).
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Hydrangea plant named ‘Zulu’ substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP20316 in full — the complete specification, every figure, and the file history.