US Plant Patent PP18500

HYPMAD II

Hydrangea paniculata plant named ‘HYPMAD II’

PUBLIC DOMAIN

Patent expired January 23, 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 PP18500, the photograph of HYPMAD II printed in the patent. — Figure 1 from US Plant Patent PP18500, 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: PP18500
Filed: January 23, 2006
Granted: February 19, 2008
Expires: January 23, 2026
Assignee: UNIV GEORGIA RES FOUND
Inventor: DIRR MICHAEL A

Abstract

Hydrangea paniculata, ‘HYPMAD II’ has numerous white inflorescences that mature to rose-pink. The sepals turn outward from the inflorescences at maturity resulting in a frilly, lacy appearance. The habit is compact, dense, broad-mounded, 130 cm by 170 cm in 4-years at Athens, Ga. The dark green leaves are insect and disease resistant.

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

1. A new and distinct variety of Hydrangea paniculata plant substantially as herein described and illustrated.

Read the full patent: US Plant Patent PP18500 in full — the complete specification, every figure, and the file history.