Task List/evo lv6

Getting more EXP for each click definitely makes those evolutions easier. Upgrade your Badges to get a permanent boost for a one-time cost. Or you could try to get PokéRus, it doubles the EXP you receive and would lead to a lot of people clicking your fields!

There are also evolutions that don't need any Items or Level ups, some just want to be happy; for a few Pokémon, it's even enough to just be in the right field to evolve! Evolution is truly amazing, isn't it?