Togepi evolves when it's happiness is maxed. To max out happiness, have it in your party at all times and level it up a lot.
Kakuna evolves once it has reached level 10.
Answer:@ level 55
Porygon does not evolve by training it levels. You must trade with an Up-Grade attached.
Porygon evolves when being traded while holding an Up-Grade
use a leaf stone dude.<-------Thats after you evolve bellsprout The level to evolve is about 20-30
it doesnt evolve in leaf green
you trade it
Krabby will evolve into Kingler at level 28.
level 36.
It doesn't evolve in leaf green
it evolves on level 33
sorry doesn't evolve in leaf green
Charmelon evolve on leaf green at level 36
at LVL 28....
lv28
i think 31
Vulpix evolves at level 100. does not. can only evolve with fire stone.