18, then 32
To evolve turtwig [pokemon pearl/diamond] level it up to level 16.
level 18
Turtwig evolves into Grotle at level 18, then Torterra at level 32.
Level 18 = Grotle Level 32 = Torterra
Pick Turtwig at the beginning of the game and evolve it.Any level over 30
turtwig evolves into grotle at level 18
chimchar evolve at 14 piplup evolve at 16 turtwig is at 18but Pokemon yellow starter all level 16chin char evolves at level 16 on diomand and pearl
at level 18 on diamond
Turtwig evolves at level 16 in Pokemon Diamond.
lvl.18
Level 18
level 18