US Plant Patent PP28757
McKay
Hydrangea plant named ‘McKay’
UNDER PATENT
Still under patent. Protection ends December 29, 2035.
No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record
- Patent number
- PP28757
- Filed
- December 29, 2015
- Granted
- December 12, 2017
- Expires
- December 29, 2035
- Assignee
- THE CONARD PYLE CO
- Inventor
- BUECHEL THOMAS J
Abstract
A new and cultivar of Hydrangea macrophylla was created by open pollination followed by selection. A compact rounded growth habit is displayed. Attractive deep rose blossoms are formed in abundance that contrast nicely with textured dark green foliage. Resistance to powdery mildew has been displayed during observations to date. Superior winter hardiness to at least U.S.D.A. Hardiness Zone No. 5 has been experienced.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct Hydrangea plant characterized by the following combination of characteristics: (a) forms in abundance attractive deep rose-colored lacecap inflorescences, (b) exhibits a compact rounded growth habit, (c) displays attractive textured dark green foliage, (d) displays resistance to powdery mildew during observations to date, and (e) displays superior winter hardiness to at least U.S.D.A. Hardiness Zone No. 5; substantially as illustrated and described.
Read the full patent: US Plant Patent PP28757 in full — the complete specification, every figure, and the file history.