US Plant Patent PP15292
First Blush
Euphorbia plant named ‘First Blush’
PUBLIC DOMAIN
Patent expired June 24, 2023. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on June 23, 2023. This patent earned 1 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP15292
- Filed
- June 23, 2003
- Granted
- November 2, 2004
- Expires
- June 24, 2023
- Inventor
- THOMAS LIESL; RADTKE GEORGE
Abstract
A new cultivar of Euphorbia named ‘First Blush’ that is distinguished by a compact clumping habit, winter dormancy, showy variegated pale green foliage with rose colored tints, and yellow flowers in spring. In combination these traits set ‘First Blush’ apart from all other existing varieties of Euphorbia known to the inventor.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
We claim: 1. A new and distinct cultivar of Euphorbia plant named ‘First Blush’ as described and illustrated.
Read the full patent: US Plant Patent PP15292 in full — the complete specification, every figure, and the file history.