US Plant Patent PP15688
Darlena
Verbena plant named ‘Darlena’
PUBLIC DOMAIN
Patent expired March 1, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on January 15, 2023. This patent earned 45 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15688
- Filed
- January 15, 2003
- Granted
- March 22, 2005
- Expires
- March 1, 2023
- Assignee
- SYNGENTA SEEDS BV
- Inventor
- STEMKENS HENRICUS G W
Abstract
A new and distinct variety of Verbena plant particularly distinguished by its neonrose flowers, early flowering, and a spreading habit that is first semi-erect and later spreading.
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 Verbena plant named ‘Darlena’, substantially as illustrated and described herein.
Read the full patent: US Plant Patent PP15688 in full — the complete specification, every figure, and the file history.