US Plant Patent PP18924
Yowilma
Chrysanthemum plant named ‘Yowilma’
UNDER PATENT
Still under patent. Protection ends December 18, 2026.
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
- PP18924
- Filed
- December 18, 2006
- Granted
- June 10, 2008
- Expires
- December 18, 2026
- Assignee
- YODER BROTHERS INC
- Inventor
- SMITH MARK A
Abstract
A new and distinct cultivar of Chrysanthemum plant named ‘Yowilma’, characterized by its compact, upright and outwardly spreading plant habit; freely branching habit; dense and full growth habit; uniform and freely flowering habit; decorative-type inflorescences with elongated oblong, ligulate or obovate-shaped ray florets; white-colored ray florets; and natural season flowering about October 1 st in the Northern Hemisphere.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Chrysanthemum plant named ‘Yowilma’ as illustrated and described.
Read the full patent: US Plant Patent PP18924 in full — the complete specification, every figure, and the file history.