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US Plant Patent PP18989

Scarlet Fern

Dahlia plant named ‘Scarlet Fern’

PUBLIC DOMAIN

Patent expired August 8, 2026. 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 PP18989, the photograph of Scarlet Fern printed in the patent.
Figure 1 from US Plant Patent PP18989, 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
PP18989
Filed
August 8, 2006
Granted
June 24, 2008
Expires
August 8, 2026
Assignee
HEMMETT KEITH
Inventor
HEMMETT KEITH

Abstract

A new cultivar of Dahlia named ‘SCARLET FERN’ that is distinguishable by upright habit, mahogany-black divided leaves, and orange-red star-shaped blossoms. In combination these traits set ‘SCARLET FERN’ apart from all other existing varieties of Dahlia known to the inventor.

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

1. A new and distinct cultivar of Dahlia plant named ‘SCARLET FERN’, as described and illustrated herein within.

Read the full patent: US Plant Patent PP18989 in full — the complete specification, every figure, and the file history.