US Plant Patent PP35759
Blue Bayou
Agastache plant named ‘Blue Bayou’
UNDER PATENT
Still under patent. Protection ends January 26, 2043.
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
- PP35759
- Filed
- January 26, 2023
- Granted
- April 16, 2024
- Expires
- January 26, 2043
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
A new and unique cultivar of hyssop, Agastache plant named ‘Blue Bayou’ with medium-sized, dense, mounded, well-branched, upright, winter-hardy habit and dark green foliage color with wine-colored underside as emerging. The new plant is freely-flowering with flowers of dark purple coloration beginning in early summer and continuing into fall with densely branched panicles. The new plant has excellent vigor, is resistant to deer and rabbits, and is useful in the landscape and as a cut flower.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
The invention claimed is: 1. A new and distinct cultivar of Agastache plant named ‘Blue Bayou’ as herein described and illustrated.
Read the full patent: US Plant Patent PP35759 in full — the complete specification, every figure, and the file history.