US Plant Patent PP13886
Siberia
Gladiolus plant named ‘Siberia’
PUBLIC DOMAIN
Patent expired June 8, 2021. 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
- PP13886
- Filed
- June 8, 2001
- Granted
- June 17, 2003
- Expires
- June 8, 2021
- Inventor
- ZIPPERER III JOHN O
Abstract
A new and destinct gladiolus variety, designated ‘Siberia’, is shown and described. Compared to the ‘T-200’ variety, the ‘Siberia’ variety is 25 cm taller and will maintain one to two more flowers in open bloom. The ‘Siberia’ variety is also able to maintain up to six to seven flowers in open bloom simultaneously, beginning with a tight cut stem.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct gladiolus variety of plant named ‘Siberia’, as shown and described herein.
Read the full patent: US Plant Patent PP13886 in full — the complete specification, every figure, and the file history.