Roseli

Roseli is a type of Berry that can be planted in the Farm. It can be obtained by surrounding an empty plot with at least 1 Mago, at least 1 Nanab, at least 1 Magost and at least 1 Watmel. It emits an aura that increases the chance of encountering a wandering Pokémon.

Possible Planting Formations
You can fill your farm in the following way to obtain Roseli berries. Purple squares indicate where mutations can occur.