US Plant Patent PP15699
Hayworth
Kalanchoe plant named ‘Hayworth’
PUBLIC DOMAIN
Patent expired February 21, 2024. 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
- PP15699
- Filed
- February 21, 2004
- Granted
- March 22, 2005
- Expires
- February 21, 2024
- Assignee
- FIDES GOLDSTOCK BREEDING B V
- Inventor
- VLIELANDER IKE
Abstract
A new and distinct cultivar of Kalanchoe plant named ‘Hayworth’, characterized by its numerous multi-petalled red-colored flowers; upright, uniform and compact plant habit; freely branching growth habit; dark green glossy leaves; and excellent postproduction longevity.
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 Kalanchoe plant named ‘Hayworth’, as illustrated and described.
Read the full patent: US Plant Patent PP15699 in full — the complete specification, every figure, and the file history.