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The Patent Garden

US Plant Patent PP14489

Heart of Darkness

Heucherella plant named ‘Heart of Darkness’

PUBLIC DOMAIN

Patent expired December 20, 2022. This plant is in the public domain — anyone may propagate and sell it.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

Figure 1 of US plant patent PP14489, the photograph of Heart of Darkness printed in the patent.
Figure 1 from US Plant Patent PP14489, reproduced as printed. Photographs in a plant patent are taken by the applicant. Reproduction of the patent document is permitted; the image is shown whole and uncropped for that reason.

The record

Patent number
PP14489
Filed
December 20, 2002
Granted
January 27, 2004
Expires
December 20, 2022
Inventor
OLIVER CHARLES

Abstract

A new and distinct cultivar of Heucherella plant named ‘Heart of Darkness’, characterized by its full, densely foliated and uniformly mounded plant habit; upper surfaces of leaves green, grayed green and grayed purple in color; lower leaf surfaces green underlain with dark purple in color; numerous large and showy white-colored flowers arranged on erect to outwardly spreading panicles; long flowering period extending from late spring to mid-summer; and excellent garden performance.

Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.

It is claimed: 1. A new and distinct cultivar of Heucherella plant named ‘Heart of Darkness’, as illustrated and described.

Read the full patent: US Plant Patent PP14489 in full — the complete specification, every figure, and the file history.