US Plant Patent PP28192
Blue Fountain
Panicum plant named ‘Blue Fountain’
UNDER PATENT
Still under patent. Protection ends May 12, 2036.
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
- PP28192
- Filed
- May 12, 2016
- Granted
- July 11, 2017
- Expires
- May 12, 2036
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct cultivar of ornamental switch grass named Panicum virgatum ‘Blue Fountain’ with broad blue-green foliage that retains it coloration into the fall. The tall, upright and arching dense culms produce broadly-spreading airy panicles of greenish tan and are retained into winter.
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 ornamental switch grass plant named Panicum virgatum ‘Blue Fountain’ as herein described and illustrated.
Read the full patent: US Plant Patent PP28192 in full — the complete specification, every figure, and the file history.