| Pokedex Entries: |
| Gold | The aroma that rises from its petals contains a substance that calms aggressive feelings. |
| Silver | MEGANIUM's breath has the power to revive dead grass and plants. It can make them healthy again. |
| Crystal | Anyone who stands beside it becomes refreshed, just as if they were relaxing in a sunny forest. |
| Ruby | The fragrance of MEGANIUM's flower soothes and calms emotions. In battle, this POKéMON gives off more of its becalming scent to blunt the foe's fighting spirit. |
| Sapphire |
| Emerald | The fragrance of a MEGANIUM's flower soothes and calms emotions. In battle, it gives off more of its becalming scent to blunt the foe's fighting spirit. |
| FireRed | MEGANIUM's breath has the power to revive dead grass and plants. It can make them healthy again. |
| LeafGreen | The aroma that rises from its petals contains a substance that calms aggressive feelings. |
| Diamond | Its breath has the fantastic ability to revive dead plants and flowers. |
| Pearl |
| Platinum | Its breath has the fantastic ability to revive dead plants and flowers. |
| Stadium 2 | The aroma that rises from its petals contains a substance that calms aggressive feelings. |