Grow a Garden Pet Mutations: Machine Odds & Giantbean
Quick answer: Grow a Garden pet mutations are permanent modifiers on companions, not crop sell chips. The main random route is the Mutation Machine (about 500M Sheckles, 60 minutes, pet usually needs Age 50+). Community-tracked machine odds run from Shiny ~32% down to Ascended ~0.32%. Beanstalk’s Pet Mutation Shard Giantbean applies Giantbean without rolling the machine. Kg / Huge / Titanic / Godly still come from the pet weight calculator – mutations do not rewrite hatch weight. Verified September 18, 2026.
Direct Answer
- Pet mutations ≠ crop mutations. Crop chips live on the mutations list / mutation calculator.
- Machine pool (community estimates): Shiny 32.15%, Inverted 16.08%, Frozen/Windy 9.65% each, Golden/Mega/Tiny 6.43% each, Rainbow/Shocked/Radiant/Aurora 3.22% each, Ascended 0.32%.
- A second machine run overwrites the previous mutation (does not stack).
- Giantbean is a shard mutation from Beanstalk crafting / Goliath stock – not a machine roll.
- Before you pay aged prices, confirm kg and age class in the pet weight calculator.
Pet mutations vs crop mutations
Searchers mix these up constantly. A crop mutation multiplies fruit Sheckles (Shocked, Celestial, Dawnbound). A pet mutation changes the companion: XP gain, passive strength, size look, hunger, or a chance to apply a crop mutation to nearby plants. Price fruit stacks on the crop calculator. Price pets with pet values + trade WFL, after you know kg.
How the Mutation Machine works
- Pay the machine fee (community-confirmed figure is usually 500,000,000 Sheckles – ignore outdated “1B” pages).
- Process time is about 60 minutes (boosters / Robux skips may shorten it).
- Most guides require the pet to be Age 50+ before a machine run.
- Result is one permanent mutation from the weighted pool.
- Running the machine again replaces the old mutation – plan before you spend.
- Leveling helpers and hatch timers: egg hatch calculator and pet cooldown calculator.
Always confirm cost, age gate, and whether age resets after a run in your current client. Patch notes change machine rules faster than third-party pages.
Mutation Machine odds (community table)
Roblox does not publish an official rate card. These percentages are the standard 12-outcome machine pool used across major community guides (sums to ~100%). Treat them as planning odds, not a contract. Last checked September 18, 2026.
| Mutation | Approx. chance | What it is for | Type |
|---|---|---|---|
| Shiny | 32.15% | +15% XP-style progression | XP |
| Inverted | 16.08% | +30% XP-style progression (better XP pull) | XP |
| Frozen | 9.65% | Chance to apply Frozen crop mutation nearby | Crop apply |
| Windy | 9.65% | Chance to apply Windstruck nearby | Crop apply |
| Golden | 6.43% | +10% passive ability feel | Passive |
| Mega | 6.43% | Much larger visual size; hunger/XP side effects | Size |
| Tiny | 6.43% | Much smaller visual size; hunger/XP side effects | Size |
| Rainbow | 3.22% | +20% passive – strong generalist machine hit | Passive |
| Shocked | 3.22% | Lightning / Shocked crop utility (weather-gated feel) | Crop apply |
| Radiant | 3.22% | Periodic plant-growth advance utility | Growth |
| Aurora | 3.22% | Chance to apply Aurora-style crop mutation | Crop apply |
| Ascended | 0.32% | Rare Dawnbound-tier crop applicator – jackpot roll | Crop apply |
Which machine mutation should you want?
- XP grind: Inverted over Shiny when you care about leveling the next pet.
- All-rounder passive: Rainbow (and Golden as a softer version).
- Crop mutation farming: Frozen, Windy, Shocked, Aurora; Ascended if you are chasing Dawnbound windows.
- Flex / size look: Mega or Tiny – remember visual size ≠ hatch-weight class.
- Trade pricing: mutation hype is not the same as kg class – sheet both in trade calculator.
Giantbean pet mutation (Beanstalk shard)
Giantbean is the Beanstalk-era pet mutation players keep confusing with a crop chip. It is applied with a Pet Mutation Shard Giantbean, not by hoping for it on the machine table above. Event context: Beanstalk Part 3.
| Fact | Detail |
|---|---|
| How you get the shard | Craft: 3× Beanstalk crop + 1× Cleansing Pet Shard + 15,000,000 Sheckles (Beanstalk crafting). Also appears in Goliath’s Goods-style friendship stock when the event shop lists it. |
| What it does | Applies Giantbean: faster hunger (~15%), and bonus XP scaling with Beanstalks planted in the garden. Pet becomes giantbean-themed (size + color). |
| Age 50 gate? | Shard apply bypasses the machine roll – you do not need to wait on machine odds. Confirm the item tooltip before you spend Beanstalks. |
| Overwrite? | Yes – applying Giantbean replaces an existing pet mutation on that pet. |
| Not a crop mutation | Do not look for Giantbean on the crop mutations list. It never belongs in fruit Weight² math. |
- Cleansing Pet Shard (Gear Shop / limited uses) is the remover path when you need to clear a pet mutation before a new shard.
- After Giantbean, still run kg / age through the pet weight calculator before you accept “Titanic Giantbean” chat prices.
- Beanstalk Bear, Chest Mimic, Sheep, and Cloud Hound demand notes: pet value list.
Shards vs the Mutation Machine
| Route | Best for | Watch-outs |
|---|---|---|
| Mutation Machine | Random pool; chasing Ascended / Rainbow when you accept variance | 500M + hour + Age gate; overwrite on reroll; odds are estimates |
| Mutation shards (Gold, Rainbow, Giantbean, …) | Guaranteed named mutation when you have the shard | Shard farm / craft / shop cost; still overwrites prior mutation |
| Seasonal NPC mutations | Limited looks and trade premiums (event windows) | Supply capped; do not price them like common machine Shiny |
Other shards players chase (Gold, Rainbow, Silver, event-locked pieces) rotate with achievements and shops. When a new shard ships, use Custom notes in trade chat: name the mutation, the kg, and the age – never mutation alone.
Do pet mutations change pet weight?
No for hatch-weight math. Huge / Titanic / Godly class comes from hatch weight and age in the pet weight calculator. Size mutations (Mega, Tiny, Giantbean’s giant look) change how the pet looks and may change hunger / XP feel, but traders who pay “Godly” prices still need the weight formula checked. Ability timing after you know kg: pet cooldown calculator.
How to use this page with our pet tools
- 1. Project kg / age class → pet weight calculator
- 2. Decide machine vs shard (Giantbean during Beanstalk) using the tables above
- 3. Check ability feel → pet cooldown calculator
- 4. Price the offer → pet value list + trade calculator
- 5. Crop side of a mixed trade → crop calculator / mutation calculator
Common mistakes
- Pricing a pet on mutation name alone while ignoring hatch kg and age.
- Looking for Giantbean inside crop mutation chips or the fruit calculator.
- Rerolling the machine without accepting that you will lose the previous mutation.
- Believing every “47 mutations” list is the current machine pool – many are shards + seasonal + datamines mixed together.
- Using outdated 1B Sheckle machine cost pages.
XP mutations (Shiny, Inverted, Rainbow, Ascended) change leveling speed. Plan the grind with the pet XP calculator, then return here for machine odds and Giantbean.
Related guides and tools
- Pet weight calculator – kg, age, Huge / Titanic / Godly
- Pet cooldown calculator – ability timer after you know kg
- Pet value list – demand context including Beanstalk pets
- Beanstalk Part 3 – Giantbean craft and event ladder
- Crop mutations list – fruit chips only
- Trade calculator – WFL after mutation + kg are known
- Grow a Garden codes – active redeem codes
- Pet XP calculator – age curve and leveling time
People Also Ask
What are the Grow a Garden Mutation Machine odds?
Community tracking for the standard 12-outcome pool puts Shiny near 32%, Inverted near 16%, Frozen/Windy near 10% each, mid-tier Golden/Mega/Tiny near 6% each, several 3% outcomes (Rainbow, Shocked, Radiant, Aurora), and Ascended near 0.32%. Confirm in your patch.
How do I get Giantbean pet mutation?
Apply a Pet Mutation Shard Giantbean. Craft it with 3 Beanstalks, a Cleansing Pet Shard, and 15M Sheckles during Beanstalk, or buy it when Goliath’s friendship shop stocks it. Guide: Beanstalk Part 3.
Do pet mutations stack?
Normal machine/shard applies overwrite. Do not assume two machine mutations on one pet. Rare hatch exceptions (for example some naturally Rainbow hatches) are special cases – read the pet tooltip, do not invent stacks in trade chat.
Does Giantbean make a pet Titanic?
No. Giantbean changes look, hunger, and Beanstalk XP scaling. Titanic / Godly still comes from hatch weight and age in the pet weight calculator.
Is Ascended the best pet mutation?
For Dawnbound crop farming value, Ascended is the machine jackpot. For XP, Inverted wins. For trades, seasonal / limited mutations can outprice common machine hits regardless of “tier” labels.
Where is the Mutation Machine?
On the main Grow a Garden map near the north-side pet / egg area in most layouts. Follow the in-game machine icon if the map shifted after an update.
Conclusion
Use this Grow a Garden pet mutations page for machine odds, Giantbean shard facts, and clean separation from crop mutations. Then lock kg on the pet weight calculator and finish offers in the trade calculator. Verified September 18, 2026.
