Depends on how strong both Pokemon are
Steenee is a Grass type, and it was introduced in the Generation 7 games, Pokemon Sun and Pokemon Moon. The evolution path for Steenee is Bounsweet (Grass) >>> Steenee (Grass) >>> Tsareena (Grass).
Sceptile is the Grass type starter of the Hoenn region.
Roselia is a Grass and Poison type pokemon.
The Pokémon Cottonee is a Grass/Fairy type. Before Gen. 6, it was a pure Grass type Pokémon.
When their health is low, Grass-type moves power up.
barbatus
make sure that you have a electric type with you because you can't use a grass type milotic has ice beam.
Besides a seahorse, a horse that has foundered on grass must be kept away from grass. Green, lush grass could kill an already foundered horse. (ponies are at greater risk)
Torterra is a Grass and Ground type pokemon.
Leafeon is a Grass type pokemon.
phytoplankton
There are no grass type Pokemon underground!
What type of consumer is a grass carp
Of course, a Grass type Pokémon can defeat a Bug type Pokémon. But Grass type moves are "Not very effective" against Bug type Pokémon, meaning the power of the Grass type move is halved.
Jumpluff is a Grass and Flying type pokemon.
rapid onset type
Shiinotic is a Grass and Fairy-type.