You can't, the game was made before Snivy was introduced, so it can't handle it.
When you choose a starter Pokemon if you choose snivy, you might get a female snivy.
snivy
snivy
The Starter Pokémon in Pokémon Black 2 and Pokémon White 2 are Oshawott, Tepig and Snivy.
Snivy lvl17-> Servine lvl36-> Serperior.
Snivy is a grass type Pokemon.
Snivy is a grass type Pokemon.
Snivy, Tepig and Oshawott.
There are only a few ways to get a Snivy in Pokemon Black:1.) Obviously, you can choose Snivy as your starter Pokemon in the beginning2.) You can go to the Global Trade Link (which can be accessed in any Pokemon Center on the 2nd floor) and trade one of your Pokemon for Snivy OR you can trade a pokemon for either a Servine or a Serperior and breed it to get a baby Snivy.
Snivy is a 5th Generation Pokémon, while the game in question is a 3rd Generation remake of the first series. Thus, it cannot be found either in Pokémon FireRed or LeafGreen.
You can get a snivy as your starter pokemon or breed a snivy/servine or a serpier with a ditto at the daycare Hope this helps:)
When you choose a starter Pokemon if you choose snivy, you might get a female snivy.
Snivy evolves at level 16
snivy
It is mostly a male, but it also has a low chance of being a female. In the Pokemon episodes, the Snivy that Ash have is a female.
It is one of the three starter Pokemon
In moor of Icirrus and talk to the stumps and then snivy comes out then you battle.