US Plant Patent PP13091
Walvera
Lavandula plant named ‘Walvera’
PUBLIC DOMAIN
Patent expired March 13, 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
- PP13091
- Filed
- March 13, 2001
- Granted
- October 15, 2002
- Expires
- March 13, 2021
- Assignee
- TRISTRAM DAVID
- Inventor
- CROWTHER ALBERT TIMOTHY ALAN; TRISTRAM DAVID RALPH
Abstract
A new cultivar of Lavandula angustifolia plant named ‘Walvera’ that is characterized by variegated foliage with gray-green centers and cream-white margins, a mounded, semi-open habit, and compact violet-blue flower spikes. In combination, these traits set it apart from all other existing varieties of Lavandula.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct variety of Lavandula angustifolia plant named ‘Walvera’ as described and illustrated.
Read the full patent: US Plant Patent PP13091 in full — the complete specification, every figure, and the file history.