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The Patent Garden

US Plant Patent PP17279

Clifford's Stingray

Hosta plant named ‘Clifford's Stingray’

PUBLIC DOMAIN

Patent expired September 22, 2025. This plant is in the public domain — anyone may propagate and sell it.

Twenty years from the filing date would end on September 12, 2025. This patent earned 10 days of term adjustment for delay at the Patent Office, which is why it runs longer.

Figure 1 of US plant patent PP17279, the photograph of Clifford's Stingray printed in the patent.
Figure 1 from US Plant Patent PP17279, 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
PP17279
Filed
September 12, 2005
Granted
December 12, 2006
Expires
September 22, 2025
Assignee
CLIFFORD JOHN K, CLIFFORD KEN J
Inventor
CLIFFORD JOHN K; CLIFFORD KEN J

Abstract

A new cultivar of Hosta named ‘Clifford's Stingray’, a sport of Hosta ‘Fire and Ice’, that is characterized by its unique variegated foliage with narrow, white streaked centers, wide dark green margins and an intermediate streaked area of bright green. ‘Clifford's Stingray’ has an upright plant habit, a vigorous growth rate, and unique pale lavender flowers that are held in a congested whorl just above the foliage in mid to late summer.

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 Hosta plant named ‘Clifford's Stingray’, as herein illustrated and described.

Read the full patent: US Plant Patent PP17279 in full — the complete specification, every figure, and the file history.