Staravia's Aerial Ace misses Gardenia's Turtwig, even though the move is unavoidable, while Ash's Turtwig is affected by Leech Seed, which normally has no effect on Grass-types. Therefore, these are examples of anime physics.
Ash has an unofficial battle with Gardenia, and loses.
Ash and his friends meet Gardenia.
Gardenia offers to trade one of her Pokémon to James for his Carnivine, but he refuses.
The English title for this episode is a pun on the phrase "The grass is always greener on the other side", which can be abbreviated to "the grass is always greener."