US Plant Patent PP21790
White Mist
Echinacea plant named ‘White Mist’
UNDER PATENT
Still under patent. Protection ends December 1, 2029.
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
- PP21790
- Filed
- December 1, 2009
- Granted
- March 15, 2011
- Expires
- December 1, 2029
- Inventor
- VAN DEN AARDWEGH CORNELIS MARINUS
Abstract
A new and distinct cultivar of Echinacea plant named ‘White Mist’, particularly distinguished by white-colored ray florets, floriferous, compact habit, healthy, abundant foliage, and good mildew resistance, is disclosed.
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 Echinacea plant named ‘White Mist’, substantially as herein shown and described.
Read the full patent: US Plant Patent PP21790 in full — the complete specification, every figure, and the file history.