US Plant Patent PP15239
Sweet Carol
Hydrangea hybrid plant named ‘Sweet Carol’
PUBLIC DOMAIN
Patent expired February 3, 2023. 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.

The record
- Patent number
- PP15239
- Filed
- February 3, 2003
- Granted
- October 19, 2004
- Expires
- February 3, 2023
- Assignee
- HINES NURSERIES INC
- Inventor
- GRAY JOSEPH
Abstract
A new plant variety of Hydrangea hybrid characterized by its large lacecap inflorescence, which is reminiscent of its macrophylla lineage, while being substantially hardier than macrophylla cultivars; the white-eye zone on sterile inflorescences when young; deeply serrated leaves; and merlot colored fall foliage.
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 variety of Hydrangea hybrid plant, named ‘Sweet Carol’, substantially as shown and described.
Read the full patent: US Plant Patent PP15239 in full — the complete specification, every figure, and the file history.