Blight is another mutation in Roblox’s Grow a Garden that gives crops a decent value boost.
While it’s easier to obtain than some rare mutations, its multiplier is lower.
Despite the smaller value increase, Blight still changes the appearance of affected crops.
This mutation was introduced during the second part of the Halloween Event update.
In this post, we explain how to get the Blight Mutation in Grow a Garden, including its appearance, multiplier, and more.
Blight Mutation Multiplier Grow a Garden Wiki

Blight Mutation
Multiplier
x8
How to Get
Can be applied by the Dark Spriggan pet
Can be applied by the Ghostly Dark Spriggan pet
Description
Emits violet sparkling and block particles.
This limited-tier mutation gives fully grown crops an x8 multiplier.
Any crop affected in your garden will have its selling value increased eight times.
It can be applied using the Dark Spriggan or Ghostly Dark Spriggan pet.
Mutated crops emit violet sparkling and block particles, making this mutation a highly sought-after tool for advanced mutation stacking in Grow a Garden.