🌈 Rainbow Mutation in Grow a Garden — ×50 Multiplier
Rainbow is one of two growth mutations in Grow a Garden (Gold and Rainbow). Only one growth mutation can sit on a fruit, and it multiplies the entire environmental stack. Rainbow's multiplier is ×50. Trigger: Random chance during growth, or guaranteed via the Butterfly pet's conversion ability. Frequency: ~0.1% base chance per harvest (random path). Rainbow is the top growth multiplier. Butterfly can convert another mutation already on a fruit into Rainbow, which is the reliable farm path. Base random chance is ~0.1% per harvest. On Grow a Garden 2: Grow a Garden 2 lists Rainbow at ×30. This page is GAG1 Rainbow (×50).
Ranked #33 of 108 tracked mutation pages by multiplier.
📐 How to Get the Rainbow Mutation
Trigger (from our mutation data): Random chance during growth, or guaranteed via the Butterfly pet's conversion ability. Frequency: ~0.1% base chance per harvest (random path).
Frequency: ~0.1% base chance per harvest (random path).
Also possible: Butterfly (Divine) pet converts any other mutation already on a fruit into Rainbow.
Tip: Butterfly pet + Aurora weather (raises random chance to ~0.3%).
Growth mutations roll while the fruit is growing. Master Sprinkler is the gear the stock page lists for mutation chance; Butterfly is the pet path for Rainbow. You cannot keep Gold and Rainbow on the same fruit.
💰 Worked Examples: Rainbow on a Sunflower
Numbers use the site formula Base × (Weight/BaseWeight)² × Growth × (1 + Σmutations − count) and Sunflower's listed base. Plug a live crop into the Grow a Garden calculator for other weights.
🔗 Stacking & Best Combos
Rainbow is exclusive with the other growth mutation. It multiplies the full environmental stack, including weather, pet, event, and fusion mutations. Friend bonus (up to +50%) multiplies after that — it is not a mutation.
Commonly paired with: 🌅 Dawnbound (×150) and ⚡ Shocked (×100).
📊 Where Rainbow Ranks
Rainbow is the #33 most valuable mutation out of 108 tracked entity pages by multiplier, sitting just behind 🌧️ Monsoon (×50) and just ahead of 🗡️ Sliced (×50).
The mutations hub calculator also lists mutations that do not yet have their own URL. This page is the entity URL for Rainbow only.
❓ FAQ
What is the Rainbow mutation in Grow a Garden?
Rainbow (🌈) is a growth mutation that applies a ×50 multiplier to a crop's Sheckle value. Random chance during growth, or guaranteed via the Butterfly pet's conversion ability. Frequency: ~0.1% base chance per harvest (random path). It is not a crop and not a pet; it is a fruit modifier used in the same formula as the homepage calculator.
How do you get the Rainbow mutation?
Random chance during growth, or guaranteed via the Butterfly pet's conversion ability. Frequency: ~0.1% base chance per harvest (random path). Frequency: ~0.1% base chance per harvest (random path). Butterfly (Divine) pet converts any other mutation already on a fruit into Rainbow. Multiplier: ×50.
Does Rainbow stack with Gold or Rainbow?
No — Rainbow is itself a growth mutation. Only one of Default, Gold, or Rainbow applies per fruit. Stack weather/pet/environmental mutations underneath Rainbow instead.
What crop should I put Rainbow on?
Any crop uses the same multiplier. This site's worked examples use Sunflower (Divine, 50,138₡ base, 8.55 kg) because it is also the Dawnbound reference crop. Weight² usually moves the number more than swapping a mid-tier crop. Use the Grow a Garden calculator for a live fruit.
Plug Rainbow into any crop, weight, and mutation stack for the real number.
Open Grow a Garden Calculator →More Growth Mutations
← Back to the full Grow a Garden Mutations List · Wiki index