Gift: Route 8
You won't find Lileep in the wild in this game — you get it as a gift.
Looking for Cradily? It isn't found in the wild in this game — evolve Lileep (Level 40).
For the look, the best colour match is Dream Ball or Heal Ball.
Evolution: Lileep → Cradily (Level 40).
Lileep in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)