US Plant Patent PP35461
Dark Side of the Moon
Astilbe plant named ‘Dark Side of the Moon’
UNDER PATENT
Still under patent. Protection ends October 14, 2042.
Twenty years from the filing date would end on October 13, 2042. This patent earned 1 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP35461
- Filed
- October 13, 2022
- Granted
- November 7, 2023
- Expires
- October 14, 2042
- Assignee
- WALTERS GARDENS INC, HANSEN HANS A
- Inventor
- HANSEN HANS A
Abstract
The new and distinct hybrid of Astilbe plant named ‘Dark Side of the Moon’ has broadly-mounded habit producing a dense bushy appearance of rich, dark chocolate-purplish, triternate foliage that is topped with tall, upright, stiff dark-mahogany-color panicles of numerous, densely-clustered, deep mauve-colored flower buds opening to densely-clustered rosy-purple flowers on heavily-branched stems. The new plant is vigorous, shows heat and sun tolerance, and is useful in the landscape, in containers, or as a cut flower.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
It is claimed: 1. The new and distinct Astilbe plant named ‘Dark Side of the Moon’ as herein described and illustrated.
Read the full patent: US Plant Patent PP35461 in full — the complete specification, every figure, and the file history.