US Plant Patent PP17343
Beauty of Ernst
Astilbe plant named ‘Beauty of Ernst’
PUBLIC DOMAIN
Patent expired May 23, 2025. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on March 31, 2025. This patent earned 53 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP17343
- Filed
- March 31, 2005
- Granted
- January 9, 2007
- Expires
- May 23, 2025
- Assignee
- JAC TH DE VROOMAN
- Inventor
- HOLTMAAT HENK
Abstract
A new and distinct cultivar of Astilbe plant named ‘Beauty of Ernst’, characterized by its upright plant habit; rapid growth rate; brightly colored foliage; freely and uniform flowering habit; and light pink-colored flowers arranged on upright to slightly arching inflorescences.
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 Astilbe plant named ‘Beauty of Ernst’, as illustrated and described.
Read the full patent: US Plant Patent PP17343 in full — the complete specification, every figure, and the file history.