23highest level
This is around Beat Erika — Celadon City Gym, badge 4 in the story — that page lists everything you can have caught by this point.
Types on this team: Grass ×2Poison ×2
| Pokémon | Moves | |
|---|---|---|
 | Bellsprout Lv 23 · Chlorophyll | Sleep Powder Poison Powder Stun Spore Acid |
 | Weepinbell Lv 23 · Chlorophyll | Wrap Sleep Powder Poison Powder Stun Spore |