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US Plant Patent PP18408

Stardust

Hypericum plant named ‘Stardust’

PUBLIC DOMAIN

Patent expired September 10, 2026. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on September 7, 2026. This patent earned 3 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP18408, the photograph of Stardust printed in the patent.
Figure 1 from US Plant Patent PP18408, 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
PP18408
Filed
September 7, 2006
Granted
January 8, 2008
Expires
September 10, 2026
Assignee
ITS AUL PLANTS LLC
Inventor
YOKOI MASATO

Abstract

A new cultivar of Hypericum patulum, ‘Stardust’, characterized by its unique foliage coloration with new foliage emerging creamy white tinged with pink, changing to creamy white foliage heavily mottled with dark green, and turning dark green as the leaf matures. The vigorous growth habit and pendant stems of ‘Stardust’ make it suitable for both containers and use as a landscape plant.

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 Hypericum plant named ‘Stardust’ as herein illustrated and described.

Read the full patent: US Plant Patent PP18408 in full — the complete specification, every figure, and the file history.