Grow smarter.
Breed the perfect clone.
Choose one center plant and up to eight surrounding donors. Every slot is calculated with Rust's weighted crossbreeding rules.
Hemp
Focused search prioritising speed.
Plant library
0/40 genetics · rapid entry is always ready below
Target genetics
Match these gene counts in any order
Best single crosses
One-generation improvements ranked toward Target Genetics · maximum 1 center + 8 donors
Route to perfect
Branching planner · explores up to five generations
Officially documented: six per-slot genes, clone inheritance, stronger negative genes, two matching positive neighbours replacing a negative, planter-only breeding and same-type plants.
Calculator model: G/Y/H use 0.6, W/X use 1.0, a donor total must strictly exceed the center, and equal winning totals resolve randomly. Facepunch does not publish those exact numeric values or tie behavior.