US Plant Patent PP31281
Spearmint
Heuchera plant named ‘Spearmint’
UNDER PATENT
Still under patent. Protection ends November 21, 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
- PP31281
- Filed
- November 21, 2018
- Granted
- December 24, 2019
- Expires
- November 21, 2038
- Assignee
- HANSEN HANS A, WALTERS GARDEN INC
- Inventor
- HANSEN HANS A
Abstract
The new and distinct hybrid of Heuchera plant named ‘Spearmint’ with medium mostly flat foliage with rounded apices and shallowly dissected lobes. The leaf blades are without purplish undertones on top or below and develop a heavy silver overlay covering all but the dark green veins. Branched panicles are deep burgundy displaying two-tone dark pink and light pink calyces with light pinkish petals for about five weeks beginning mid-summer. The new plant is vigorous and produces large clumps with many large leaves.
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 ‘Spearmint’ as herein described and illustrated.
Read the full patent: US Plant Patent PP31281 in full — the complete specification, every figure, and the file history.