US Plant Patent PP21576
Mysteria
Heuchera plant named ‘Mysteria’
UNDER PATENT
Still under patent. Protection ends February 3, 2030.
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
- PP21576
- Filed
- February 3, 2010
- Granted
- December 14, 2010
- Expires
- February 3, 2030
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- EGGER JANET N
Abstract
A new and distinct hybrid of Heuchera plant characterized by very free flowering and with a long bloom time (bloom from early spring to late fall in Canby, Oreg.), excellent warm pink flowers in dense clusters that fade to darker pink, leaf color pewter with dark veins, excellent tolerance to heat and humidity, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Heuchera plant as herein illustrated and described.
Read the full patent: US Plant Patent PP21576 in full — the complete specification, every figure, and the file history.