In the core series games
Price
Effect
Pokémon X and Y
When applied to a Berry patch, causes the soil to dry out in 4 hours instead of 24 hours.
Pokémon Omega Ruby and Alpha Sapphire onward
The Boost Mulch serves no practical purpose other than to be sold.
Description
Games
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Description
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XY
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Mulch to be used in a Berry field. It increases the Berry harvest that can be grown by diligent watering.
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ORAS SMUSUMPE SwShBDSPLA SV
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A fertilizer for growing Berries. However, it appears to be unsuitable for the soil in the Hoenn region and has no effect.
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Acquisition
Games
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Finite methods
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Repeatable methods
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XY
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Berry fields composter (using two Berries of the same color and one differently-colored one)
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ORAS
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Trade
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In other languages