US Plant Patent PP20952
Summer Sky
Agastache plant named ‘Summer Sky’
UNDER PATENT
Still under patent. Protection ends January 20, 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
- PP20952
- Filed
- January 20, 2009
- Granted
- April 27, 2010
- Expires
- January 20, 2029
- Assignee
- TERRA NOVA NURSERIES INC
- Inventor
- EGGER JANET N
Abstract
A new and distinct form of Agastache plant characterized by a small, compact habit, violet blue colored flowers in narrow, tight clusters, dark calyces, a low branching habit, a long bloom time, and excellent vigor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
1. A new and distinct cultivar of Agastache plant substantially as shown and described.
Read the full patent: US Plant Patent PP20952 in full — the complete specification, every figure, and the file history.