give it to a porygon and trade it to another person and it evolves into a porygon2
Raise to level 20.
You must evolve Porygon (From Celadon) using the UpGrade to Porygon 2.
You can't.
Answer You need to beat the elite four and talk to proffessor birch and then he will take not steal your pokedex and upgrade..... and it looks like when you have the national dex... more areas and Pokemon are added in the safari zone. yehey!!
All starters, including Bulbasaur, can't be caught in Pokemon LeafGreen.
Raise to level 20.
in the trainer tower . it is a reward.
eiquip it to porgon then trade it to get a porgon 2
you will find it on island 7 when you complete the battle tower
You can't unless you trade a Pokemon holding one from FR or RSE.
you have to beat the trainers and the time in that place on seven island
Porygon evolves while being traded while holding an Upgrade.
You must evolve Porygon (From Celadon) using the UpGrade to Porygon 2.
Yes you can trade leafgreen version Pokemon to another leafgreen version.
You need to trade a Porygon holding an Upgrade.You get an Upgrade from Silph Co building.
Not in Pokemon leafgreen only in Pokemon Firered never ever in Pokemon leafgreen And in Pokemon firered it is rare in power plant not available in Pokemon leafgreen?
To evolve Porygon when it holds the item 'upgrade' and it is traded over to another game. It will evolve into Porygon2.