US Plant Patent PP31693
Sassy Summer Lemon
Achillea plant named ‘Sassy Summer Lemon’
UNDER PATENT
Still under patent. Protection ends January 14, 2039.
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
- PP31693
- Filed
- January 14, 2019
- Granted
- April 21, 2020
- Expires
- January 14, 2039
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct Yarrow, Achillea plant named ‘Sassy Summer Lemon’, with narrow, silvery, fern-like foliage; tall, stiff, heavily branched peduncles with bright, sunny yellow inflorescences, beginning in mid-June and continuing for about six weeks. The new plant is useful for landscaping, as a specimen or en masse and as a cut flower.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. The new and distinct cultivar of Achillea plant named ‘Sassy Summer Lemon’ as described and illustrated.
Read the full patent: US Plant Patent PP31693 in full — the complete specification, every figure, and the file history.