US Plant Patent PP29405
Walplum
Spiraea plant named ‘Walplum’
UNDER PATENT
Still under patent. Protection ends February 22, 2037.
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
- PP29405
- Filed
- February 22, 2017
- Granted
- June 19, 2018
- Expires
- February 22, 2037
- Assignee
- WALBERTON PLANTS LTD
- Inventor
- TRISTRAM DAVID R
Abstract
A new cultivar of Spiraea named ‘Walplum’ that is characterized by compact upright habit, deep red-purple new leaf tip growth which becomes olive green as growth continues. The buds of ‘Walplum’ are red-purple in color and develop into clusters of bright cerise colored flowers in late spring and early summer. ‘Walplum’ is hardy to USDA Zone 3.
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 cultivar of Spiraea plant named ‘Walplum’ as described and illustrated herein.
Read the full patent: US Plant Patent PP29405 in full — the complete specification, every figure, and the file history.