Question: what determines an eevee evolution in pokemon go?
Answer: Tips and Tricks for Eevee's Evolutions in Pokemon Go There is a secret that lets you determine your Eevee's fate. You can choose which evolution form to evolve your Eevee into by naming it Sakura (Espeon), Tamao (Umbreon), Pyro (Flareon), Rainer (Vaporeon) or Sparky (Jolteon).