no such place like many things in the cartoon you dont actually expirience it in the game iself.
There is no such thing as turtwig city
turtwig and Roselia
In Veilstone City, you would be given a Turtwig Mask from a woman in the second or third floor in the Department Shop.
The Starter Pokemon masks depends on the Pokemon you choose from the start.Turtwig Mask - Jubilife City TV Station (Turtwig), Veilstone Department Store (Chimchar), or Pastoria City (Piplup)Chimchar Mask - Pastoria City (Turtwig), Jubilife City TV Station (Chimchar), or Veilstone Department Store (Piplup)Piplup Mask -Veilstone Department Store (Turtwig), Pastoria City (Chimchar), or Jubilife City TV Station. (Piplup)
You need to trade to get it. Go to GTS building in jubelife city and enter. Note u need wifi to get this to work. You need to have seen turtwig or its evolutions 1st. You will see torterra definitely. Ask for that Pokemon and you will see who has this to trade. if you get torterra just breed with ditto to get turtwig. Or get a friend to trade you who has started with turtwig.
You can not get a Turtwig egg in Pokemon Platinum. But if you breed a Turtwig with a Ditto, then it is possible.
YOU CAN'T! You can only get Turtwig by hacking, breeding, or trading with someone who has hacked or breeded a Turtwig.
Turtwig is a starter pokemon in Diamond/Pearl/Platinum, Torterra is one of the evolved forms of Turtwig.
It's not possible.If you want more you could breed a turtwig or grotle or torrterra (spell fail) or ask your friends to give you a turtwig. The only other way is the GTS in jubalife city (i haven't been in sinnoh for a while) or goldenrod city in hg and ss
At the start of the game pick Turtwig as your starter pokemon.
You get Turtwig as a starter from Pokemon Diamond, Pearl, and Platinum.
Turtwig is a Grass type pokemon.