US Plant Patent PP18551
Midnight Rose
Heuchera plant named ‘Midnight Rose’
UNDER PATENT
Still under patent. Protection ends October 24, 2026.
Twenty years from the filing date would end on October 3, 2026. This patent earned 21 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18551
- Filed
- October 3, 2006
- Granted
- March 4, 2008
- Expires
- October 24, 2026
- Assignee
- BEHNKE NURSERIES CO
- Inventor
- POINDEXTER TERRI C
Abstract
A new and distinct hybrid of Heuchera plant characterized by almost black colored leaves with pink spots that expand as the leaf grows larger. In summer the spots on the older leaves lighten to cream and pink.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct hybrid of Heuchera plant substantially as shown and described.
Read the full patent: US Plant Patent PP18551 in full — the complete specification, every figure, and the file history.