• Submissions begin June 1, 2026 and end on November 30, 2026
• Judged by Mark and Rico + Lab considerations
• Flower and Rosin divisions
The Sequencing Series
The Grand Prize
Blue Zashimi
"An elite genetic tier beyond classification."
One winner will be selected from each division for a 1-of-1 Custom Breeding Project. This includes exclusive access to elite clones from the Grandiflora and Cookies vault.
Final Verification
Blue Zashimi
Send your proof of purchase and entry details to 20@20Chromosomes.com to begin the contest entry process.