That's a matter of opinion, but I think the worst Grass Pokemon is Paras, compared to all the other grass Pokemon I know of it is the worst.
My opinion is that oshawatt is the starter pokemon because it is the most well rounded
Roselia is a Grass and Poison type pokemon.
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).
Fomantis is a Grass type, and it was introduced in the Generation 7 games, Pokemon Sun and Pokemon Moon. The evolution path for Fomantis is Fomantis (Grass) >>> Lurantis (Grass).
A Grass-type Pokemon.
There are no grass type Pokemon underground!
Torterra is a Grass and Ground type pokemon.
My opinion is that oshawatt is the starter pokemon because it is the most well rounded
Water Pokemon with water attacks or Grass Pokemon with Grass attacks
Roselia is a Grass and Poison type pokemon.
By moving clumps of grass in pokemon emerald.
torterra is the best grass type Pokemon Pokemon Pokemon Pokemon Pokemon Pokemon Pokemon Pokemon Pokemon Pokemon VULTRAE:torterra or roserade
in the grass in the grass in the grass
Tsareena is a Grass type, and it was introduced in the Generation 7 games, Pokemon Sun and Pokemon Moon. The evolution path for Tsareena is Bounsweet (Grass) >>> Steenee (Grass) >>> Tsareena (Grass).
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).
Bounsweet is a Grass type, and it was introduced in the Generation 7 games, Pokemon Sun and Pokemon Moon. The evolution path for Bounsweet is Bounsweet (Grass) >>> Steenee (Grass) >>> Tsareena (Grass).
Jumpluff is a Grass and Flying type pokemon.