US Plant Patent PP29395
Black Pearl
Heuchera plant named ‘Black Pearl’
UNDER PATENT
Still under patent. Protection ends November 21, 2036.
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
- PP29395
- Filed
- November 21, 2016
- Granted
- June 12, 2018
- Expires
- November 21, 2036
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct hybrid of Heuchera plant named ‘Black Pearl’ with foliage of glossy, dark mahogany-purple, scalloped ruffled margins, rosy purple underside and no silver or dark green marbling surrounding the veins. ‘Black Pearl’ is topped with heavily-branched panicles of overall pink flowering effective over a long period. The new plant is vigorous, compact in habit and tolerates heat and humidity well.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. The new and distinct coral bells plant named Heuchera ‘Black Pearl’ as herein described and illustrated.
Read the full patent: US Plant Patent PP29395 in full — the complete specification, every figure, and the file history.