Umbral is one of the most popular mutations in the Roblox game Grow a Garden.
In this game, players can apply various mutations to their crops to alter their value and appearance.
However, some of these mutations can only be applied to crops once certain conditions are met.
Overall, mutations are a core mechanic of the Grow a Garden farming system, helping players progress faster and earn more.
In this article, we’ve explained how to get the Umbral Mutation in Grow a Garden, including its multiplier, appearance, and more.
Umbral Mutation Multiplier Grow a Garden Wiki

Umbral Mutation
Multiplier
x30
How to Get
Combining Blight and Pestilent mutation.
Description
Emits both yellowish green and purple particles
This Limited Tier mutation gives any affected crop a x30 multiplier, increasing its selling value by 30 times.
You can obtain this mutation by combining the Blight and Pestilent mutations.
The Blight mutation comes primarily from the Dark Spriggan pet.
The Pestilent mutation comes primarily from the Hex Serpent pet.
A crop with this mutation emits yellowish-green and purple particles, similar to the Bloom mutation.
