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Grassium Z
Grass Z
Grassium Z
Grassium Z
Pokémon Global Link artwork
Introduced in Generation VII
Generation VII Bag Z-Crystals pocket icon.png Z-Crystals

The Grassium Z (Japanese: クサZ Grass Z) is a type of Z-Crystal introduced in Pokémon Sun and Moon. It is the type-specific Z-Crystal associated with the Grass type and allows Pokémon to upgrade their Grass-type moves to Z-Moves.


In the core series games


Games Cost Sell price


Bag Grassium Z Sprite.png Bag item

Can create Grassium Z held items for Pokémon in the party.

Held Grassium Z Sprite.png Held item

In battle

Allows the holder to upgrade its Grass-type damaging moves to the Z-Move Bloom Doom or upgrade its Grass-type status moves into Z-Moves.

Unaffected by item negating effects (such as Embargo and Klutz). Item manipulating effects (such as Trick and Fling) cannot remove a Z-Crystal from a Pokémon.

Multitype changes an Arceus holding this item to its Grass-type form. Rayquaza cannot Mega Evolve if it holds a Z-Crystal.

Outside of battle

A held Grassium Z is automatically removed if the Pokémon is traded between players.

Multitype changes an Arceus holding this item to its Grass-type form.


Bag item

Games Description
SMUSUM It converts Z-Power into crystals that upgrade Grass-type moves to Grass-type Z-Moves.

Held item

Games Description
SMUSUM This is a crystallized form of Z-Power. It upgrades Grass-type moves to Z-Moves.


Games Method
SMUSUM Lush Jungle (reward for completing Mallow's trial)

In the anime

A Grassium Z in the anime

Ash obtained a Grassium Z from a Totem Lurantis after completing the Lush Jungle trial in Currying Favor and Flavor!. He and Rowlet first used it in Trials and Determinations! to perform Bloom Doom.

A full set of type-specific Z-Crystals, including the Grassium Z, appeared in A Grand Debut!, where Hapu allowed Ash to choose his grand trial prize from them.

Mallow obtained a Grassium Z from Tapu Koko in SM121 as a reward for helping Oranguru operate its forest café.

A full set of replicas of the type-specific Z-Crystals, including the Grassium Z, appeared in A Team-on-Team Tussle!, where they were shown to Ash and his classmates by Professor Kukui.

In other languages

Language Title
Chinese Cantonese 草Z Chóu-Z
Mandarin 草Z Cǎo-Z
Denmark Flag.png Danish Grassium Z
The Netherlands Flag.png Dutch Grasium Z
Finland Flag.png Finnish Grassium Z
France Flag.png French Florazélite
Germany Flag.png German Botanium Z
Italy Flag.png Italian Herbium Z
South Korea Flag.png Korean 풀Z Pul-Z
Norway Flag.png Norwegian Grassium Z
Poland Flag.png Polish Botanium Z
Brazil Flag.png Brazilian Portuguese Plântium Z
Russia Flag.png Russian Ботаниум Z Botanium Z
Spain Flag.png Spanish Fitostal Z
Sweden Flag.png Swedish Grassium Z

External links