>>50170817>or pick up a handful of grass and slap him with it. Or maybe throw some vegetables at him.Wouldn't that be like a grass type Pokemon using body slam though which has the same effect like your water vs grass example?
Maybe it's the cutting effect of sharp leaves/thorns at high speeds/forces that would damage it significantly. Like razor leaf or vine whip. Which means simply throwing or slapping it with vegetables or grass may not have enough power to really do much damage.