US Plant Patent PP13531
Croton Zulu
Codiaeum plant named ‘Croton Zulu’
PUBLIC DOMAIN
Patent expired May 18, 2021. This plant is in the public domain — anyone may propagate and sell it.
Twenty years from the filing date would end on April 16, 2021. This patent earned 32 days of term adjustment for delay at the Patent Office, which is why it runs longer.

The record
- Patent number
- PP13531
- Filed
- April 16, 2001
- Granted
- February 4, 2003
- Expires
- May 18, 2021
- Inventor
- SPINK GARY
Abstract
‘Croton Zulu’, a Codiaeum cutivar. ‘Croton Zulu’ has a bushy growth habit. It features an uneven variegation beginning yellow (upper surface RHS 5A; lower surface RHS 5D) and maturing to red and orange colors (RHS 59B, RHS 169A, RHS 60A and RHS 17D). When potted in 14 cm pots in shade house conditions, ‘Croton Zulu’ plants attain a height of 30 cm and are about 30 cm wide, giving the plant a rounded shape.
Show the legal claimThe single numbered claim as granted — the legal text that defines what this patent covers.
I claim: 1. A new and distinct cultivar of Codiaeum plant named ‘Croton Zulu’ as shown and described, particularly characterized by its bushy growth habit forming a rounded
Read the full patent: US Plant Patent PP13531 in full — the complete specification, every figure, and the file history.