US Plant Patent PP19092
Diamonds and Pearls
Astilbe plant named ‘Diamonds and Pearls’
UNDER PATENT
Still under patent. Protection ends March 23, 2027.
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
- PP19092
- Filed
- March 23, 2007
- Granted
- August 12, 2008
- Expires
- March 23, 2027
- Assignee
- WITTEMAN & CO
- Inventor
- VERDUIN HENRICUS GIJSBERTUS JO
Abstract
A new and distinct cultivar of Astilbe plant named ‘Diamonds and Pearls’, characterized by its upright and sturdy plant habit; strong and healthy foliage; freely and uniformly flowering habit; large white-colored flowers; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Astilbe plant named ‘Diamonds and Pearls’ as illustrated and described.
Read the full patent: US Plant Patent PP19092 in full — the complete specification, every figure, and the file history.