US Plant Patent PP18754
Asmago
Asteriscus maritimus plant named ‘Asmago’
PUBLIC DOMAIN
Patent expired June 28, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 26, 2026. This patent earned 2 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18754
- Filed
- June 26, 2006
- Granted
- April 22, 2008
- Expires
- June 28, 2026
- Assignee
- SYNGENTA SEEDS BV
- Inventor
- HOUBRAKEN ANNA M W P
Abstract
A new and distinct cultivar of Asteriscus maritimus plant named ‘Asmago’ characterized by its earliness, flat mounding growth habit, large golden yellow flowers, silvery colored leaves and good branching.
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 Asteriscus maritimus plant, substantially as herein illustrated and described.
Read the full patent: US Plant Patent PP18754 in full — the complete specification, every figure, and the file history.