Tropius is a powerful grass and flying type of Pokémon. It is capable of learning the move solar beam which it learns at level 61.
It cannot learn Solarbeam. You must give it the TM Solarbeam.
Entei can learn TM22- Solarbeam.
It learns Solarbeam at level 65. It can also learn Solarbeam by TM, which you get at the Pokemon Mansion.
Bellossom can learn TM22- Solarbeam. In Generation III games, Belossom learns solarbeam at level 55.
level 65
no it can not learn it but you can get ice beam as a TM is number 13
Meganium learns Solarbeam at level 66.
It can learn quite alot of good moves. So I suggest you get it because its a very useful pokemon, especially when it knows solarbeam and aerial ace.Hope I helped
Lvl. 60
Pansage cannot learn Solar Beam by leveling up. You will need to teach it the TM Solarbeam.
Chikorita learns SolarBeam at level 50 in Gold, Silver, Crystal, Ruby, Sapphire, and Emerald. But Chikorita learns SolarBeam at level 45 in Diamond, Pearl, and Platinum.
It learns Solarbeam at level 43. It can also learn Solarbeam by TM, which you get at the Pokemon Mansion.