Yache

Yache is a type of Berry that can be planted in the Farm. It can be obtained by surrounding a Passho with all empty plots. The Passho will then have a chance to mutate into this berry.

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

Mutations
Yache berries can be used to mutate the following berries.

Using Yache
Farm setups using Yache can be found here:
 * Maximizing Egg step gain for Breeding Pokemon faster