In Grow a Garden, Pet Mutations give pets unique abilities, stat boosts, or visual changes.
You can mutate a pet that is level 50 and above by submitting it to the Pet Mutations machine.
Pet Mutations offer different passives like XP boosts, applying fruit mutations, and more.
The chances of obtaining each mutation differ, with rarer ones having a less than 1% chance.
This article contains an Ascended Pet Mutation wiki in Grow a Garden, including its ability, boost type, boost amount, and chance.
Grow a Garden Ascended Pet Mutation

Every 360–300m, 75–90% chance to apply Dawnbound mutation to a fruit!
None
–
0.32%
The Ascended Pet mutation in Grow a Garden turns a pet yellow and emits a white glow.
It gives a random fruit the Dawnbound mutation every 360-300m.
Its boost type applies a mutation, and it does not have a boost amount.
The chance of obtaining it from the Pet Mutations machine is 0.32%.
Further reading
Grow a Garden Radiant Pet Mutation Wiki