Brainrot mutation in Grow a Garden: x100 multiplier
By multiplier it ranks number 23 of 195 listed mutations (ties share a rank).
Facts
| Multiplier | x100 |
|---|---|
| Added to the mutation sum | +99 |
| Ways to get it | Admin weather, Pets that apply it |
| Used in fusions | MindBender |
How to get Brainrot
| Source type | Names |
|---|---|
| Admin weather | Brainrot Portal |
| Pets that apply it | Lemon Lion |
Source names are the game's own. Admin weather is listed separately from regular weather on the wiki.
A Carrot with Brainrot
| Setup | Total multiplier | Sell value (Sheckles) |
|---|---|---|
| Carrot, no mutation | x1 | 20 |
| Carrot + Brainrot | x100 | 2,000 |
| Carrot + Gold | x20 | 400 |
| Carrot + Gold + Brainrot | x2,000 | 40,000 |
Carrot base value 20 Sheckles at 0.275 kg. Value = base value x mutation multiplier x variant x (weight / base weight) squared. The wiki says some fruits pass through an extra value curve it does not publish, so in-game prices can differ.
Open this Carrot in the calculator with the Gold variant
Stacking Brainrot with other mutations
Mutations add up, they do not multiply: the sum is 1 plus each mutation's multiplier minus 1, and the variant multiplies that sum. Brainrot contributes +99.
| Setup | Total multiplier | With Gold (x20) |
|---|---|---|
| Brainrot | x100 | x2,000 |
| Brainrot + Shocked | x199 | x3,980 |
| Brainrot + Frozen | x109 | x2,180 |
Brainrot and fusion recipes
Brainrot is an ingredient of one fusion:
- MindBender (x175)
Mutations with a nearby multiplier
- Higher: Celestial (x120)
- Same multiplier: Shocked (x100)
- Lower: FoxfireChakra (x90)
- Lower: Aurora (x90)
All 195 mutation multipliers · Sell value calculator
Questions
How do I get the Brainrot mutation?
Admin weather: Brainrot Portal. Pets that apply it: Lemon Lion.
Which fusions use Brainrot?
MindBender. A fusion forms automatically once a fruit has every mutation its recipe needs.
What is a Carrot with Brainrot worth?
At its base weight (0.275 kg) a Carrot is worth 20 Sheckles; with Brainrot it is 2,000, and with Brainrot plus the Gold variant (x20) it is 40,000. At twice the base weight the Brainrot Carrot is worth 8,000.
Source: Grow a Garden Wiki page Crop Mutations (rev 153516, Oct 13, 2026), CC BY-SA 3.0. Multipliers are checked against the wiki table; how-to-get lists restate the wiki by source name only, and no wiki images are used. Checked Oct 15, 2026. This is the original Grow a Garden, not Grow a Garden 2. Not affiliated with Roblox Corporation or the game developers.