Ability · Gen 7 · 4 Pokémon
Grassy Surge
On switch-in, this Pokemon summons Grassy Terrain.
Grassy Surge was introduced in Generation 7. 4 Pokémon and forms can have it (3 as a hidden ability).
Best Pokémon with Grassy Surge
Ranked by usage in public Pokémon Showdown battles (Champions VGC first, then National Dex OU, SV OU and Champions Singles), with how many of each Pokémon's sets actually run Grassy Surge.
Pokémon with Grassy Surge
As a regular ability (1)
As a hidden ability (3)
Grookey
ThwackeyGrassy Surge FAQ
What does Grassy Surge do?
On switch-in, this Pokemon summons Grassy Terrain.
Which Pokémon have Grassy Surge?
4 Pokémon and forms can have Grassy Surge, 3 of them only as a hidden ability: Tapu Bulu, Grookey, Thwackey and Rillaboom.
Is Grassy Surge a hidden ability?
It depends on the Pokémon. Grookey, Thwackey and Rillaboom have it as a hidden ability, while Tapu Bulu can have it as a regular ability.
What are the best Pokémon with Grassy Surge?
By competitive usage, the most used Pokémon that can have Grassy Surge are Rillaboom (#1 in Champions VGC, 99.8% run Grassy Surge) and Tapu Bulu (#125 in National Dex OU, 100% run Grassy Surge).
Effect text from Pokémon Showdown (MIT); which Pokémon have it from Showdown's Pokédex, cross-checked against PokéAPI. Unofficial fan site.