US Plant Patent PP30922
TNHEUGB
Heuchera plant named ‘TNHEUGB’
UNDER PATENT
Still under patent. Protection ends October 1, 2038.
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
- PP30922
- Filed
- October 1, 2018
- Granted
- October 1, 2019
- Expires
- October 1, 2038
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- EGGER JANET N
Abstract
A new and distinct Heuchera plant characterized by purple black to black leaf color, large leaves with slightly ruffled and rounded lobes, very light pink flowers on upright flowering stems, performing well in sun or shade, a large, tall mounding habit with an excellent crown count, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct Heuchera plant as herein illustrated and described.
Read the full patent: US Plant Patent PP30922 in full — the complete specification, every figure, and the file history.