US Plant Patent PP21729
Perpa
Hesperaloe plant named ‘Perpa’
UNDER PATENT
Still under patent. Protection ends August 25, 2029.
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
- PP21729
- Filed
- August 25, 2009
- Granted
- February 22, 2011
- Expires
- August 25, 2029
- Assignee
- GASS RONALD
- Inventor
- GASS RONALD
Abstract
A new and distinct cultivar of Hesperaloe plant named ‘Perpa’, characterized by its upright plant habit; vigorous growth habit; elongated lanceolate green-colored leaves; campanulate red-colored flowers with flared apices; and good garden performance.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct Hesperaloe plant named ‘Perpa’ as illustrated and described.
Read the full patent: US Plant Patent PP21729 in full — the complete specification, every figure, and the file history.