Mutation Lab

Visualize how 8 Grow a Garden 2 mutations stack. Pick a variant, toggle weather mutations, and watch the total multiplier and final sell value update live.

Mutation stacking lab

Cross-verified

Base sell value (Sheckles)

Per-crop base value at no mutation. Find any crop's base on /values.

Weight (kg)

Weight is squared in the formula (×1.00).

Variant mutation (pick one)

Weather mutations (toggle, stack additively)

Weather mutations stack additively with each other, then the weather term multiplies the variant. Select multiple to see the stack grow.

Final sell value

100¢

Total multiplier ×1 · ×1 more than no mutation

Multiplier decomposition

Variant: ×1
Weight²: ×1.00(1 kg²)
Weather stacking (0 active): None (×1)
Combined mutation multiplier: ×1

Formula: base × weight² × variant × (1 + Σ weather − count). Weather mutations stack additively with each other, then the weather term multiplies the variant. Multipliers reflect cross-source Council arbitration (2026-06-28) and several are still single_source_likely or unconfirmed — see the full source-disagreement breakdown.

All 8 mutations Weather events Calculate a specific crop

Mutation Lab FAQ

How do Grow a Garden 2 mutations stack?

Weather mutations stack additively: pick any subset of Frozen, Electric, Starstruck, Bloodlit, Shocked, and Aurora, and the combined weather term is (1 + sum of multipliers − count of mutations). That weather term then multiplies the variant (Gold or Rainbow).

Can all weather mutations fire at the same time?

No. Each weather mutation is tied to a specific weather event (Lightning fires Shocked and Electric; Blizzard fires Frozen; Blood Moon fires Bloodlit; Starfall fires Starstruck; Aurora Borealis fires Aurora). Weather events are mutually exclusive server-wide, so a cross-event combo is a theoretical max, not a realistic build.

Why is Aurora in the weather group, not the variant group?

Aurora's multiplier is documented in data/mutations.json as a variant (×90, multi-outlet consensus), but its trigger is the Aurora Borealis weather event and its mutual exclusivity with Gold/Rainbow is not yet confirmed. The lab therefore places it in the event-driven weather group to match how it actually fires in play.

Methodology

Formula (community calculator bundle, cross-source Council arbitration 2026-06-28; see the full source-disagreement breakdown):

mutation_mult = variant_mult × weather_term
weather_term  = 1                              (no weather)
              = 1 + Σ weather_mults − count    (≥1 weather)
final_sell    = base × weight_kg² × mutation_mult

Why this differs from the value calculator. The calculator ties the math to a real crop and seed cost. The lab is the pure multiplier view — type any base value and watch the stack compound. Both tools use the same arithmetic so they never disagree.

Realism banner. When you select weather mutations from more than one weather event, the lab flags the combo as a theoretical max. Weather events are mutually exclusive server-wide, so cross-event stacks cannot actually fire on the same crop — they show the math ceiling, not a target build. The grouping is derived from data/weather.json mutations_triggered fields.

Source confidence. Every mutation carries a confidence label from data/mutations.json — unconfirmed mutations show a marker, single_source_likely mutations show a softer marker. Treat any marked multiplier as community-reported, not in-game verified.

See the mutations page for per-mutation detail pages, the weather table for event stats, or the mutation system explainer for the strategy layer.