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US Plant Patent PP16526

Bittersweet

Azalea plant name ‘Bittersweet’

PUBLIC DOMAIN

Patent expired April 12, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on February 1, 2025. This patent earned 70 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP16526, the photograph of Bittersweet printed in the patent.
Figure 1 from US Plant Patent PP16526, 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
PP16526
Filed
February 1, 2005
Granted
May 9, 2006
Expires
April 12, 2025
Assignee
YODER BROTHERS INC
Inventor
BERGMAN WENDY R

Abstract

A new and distinct cultivar of Azalea plant named ‘Bittersweet’, characterized by its dark green-colored leaves that do not abscise during the cooling and forcing periods; uniform and outwardly spreading plant habit; freely branching habit; uniform and freely flowering habit; rapid flowering response; showy salmon orange-colored flowers; semi-double hose-in-hose flower form with numerous petals and petaloids; excellent postproduction longevity with plants maintaining good flower substance for about five to six weeks in an interior environment; and very good resistance to Cylindrocladium in inoculated trials.

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

1. A new and distinct Azalea plant named ‘Bittersweet’, as illustrated and described.

Read the full patent: US Plant Patent PP16526 in full — the complete specification, every figure, and the file history.