Grow a Garden Mutation Calculator
Select growth and environmental mutations to preview total crop value multiplier before harvest.
Mutation Calculator tool
Mutation Calculator
Select mutations to see combined multipliers and projected value
Conflicting mutations are disabled. Hover a grayed-out mutation for the reason.
Combined Multiplier
Growth (max)
1×
Env Bracket
1×
Combined
1×
Stack Rules
How Grow a Garden mutation stacking works
Growth mutations (Golden, Rainbow, Shiny, Mega, etc.): only the highest multiplier applies. They do not stack with each other.
Environmental mutations (Shocked, Frozen, Wet, Celestial, etc.): use the bracket formula 1 + (sum of multipliers − count). Each env mutation adds its bonus minus 1 to the bracket.
Final multiplier = growth (max) × environmental bracket. Crop value also scales with weight².
Conflicts: Wet, Frozen, and Chilled cannot combine. Only one growth mutation can be selected at a time. Mega and Tiny are mutually exclusive.
Understanding Mutation Multipliers
Mutations transform ordinary harvests into trade headlines. Grow a Garden separates mutations into growth categories that replace each other and environmental categories that stack inside a bracket formula. Our mutation calculator lets you toggle any combination supported by current patch data — from common Shiny at 5× through Shocked at 125× — and see the effective multiplier on your chosen crop and weight.
Misunderstanding stacking rules costs players millions of Sheckles. Assuming Golden and Rainbow combine, for example, leads to overpriced trades and disappointed harvests. Only the strongest growth mutation applies. Environmental mutations, meanwhile, reward deliberate weather chasing: each additional env tag adds its full multiplier into the sum before the bracket adjustment, so triple-env crops during admin weather can break calculators if you forget the minus-count term.
Growth mutation tier list (value focus)
- Rainbow (50×) — end-game growth target for main plots.
- Golden (20×) — reliable mid-game stepping stone.
- Silver / Shiny (5×) — common early boosts.
- Mega (3×) — niche; often paired with Huge pets.
Environmental tiers shift with events. Shocked, Stormcharged, Dawnbound, and Celestial headline patch notes whenever thunderstorms or meteor showers return. The June 2026 Shroomie update added Overgrown and Toxic for mushroom event farming — see our changelog and mutations guide for trigger details.
Farming workflow
- Check weather events for upcoming windows.
- Assign mutation pets to matching plots.
- Pre-load crop base value and expected harvest weight.
- Toggle mutations in this tool as procs appear in-game.
- Confirm final Sheckles in the crop value calculator before selling.
Each mutation has a dedicated reference page — browse Shocked, Rainbow, or Celestial for descriptions, categories, and stack rules. Pair this tool with the crop value calculator when you need friend boost or precise weight entry included in the total.