US Plant Patent PP18401
Strawberry Seduction
Achillea plant named ‘Strawberry Seduction’
PUBLIC DOMAIN
Patent expired April 30, 2026. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on February 7, 2026. This patent earned 82 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP18401
- Filed
- February 7, 2006
- Granted
- January 8, 2008
- Expires
- April 30, 2026
- Assignee
- SAHIN K
- Inventor
- ZWAAN MICHIEL
Abstract
A new cultivar of Achillea millefolium, ‘Strawberry Seduction’, characterized by it long blooming habit, its vigorous growth habit, its dense dark green foliage held on sturdy stems, and its red flowers that are consistent in color and resistant to fading.
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 Achillea plant named ‘Strawberry Seduction’ as herein illustrated and described.
Read the full patent: US Plant Patent PP18401 in full — the complete specification, every figure, and the file history.