Pansage will evolve by using a Leaf Stone into Simisage.
Petilil will evolve with a sun stone, pansage with a leaf stone, panpour with a water stone, and pansear will evolve with a fire stone.
Happiny
It needs a Moon Stone to evolve.
Moon Stone!
Pansage
Minccino
makes electric type Pokemon evolve
Cottonee evolves by sun stone. If you have a sun stone you can evolve it at any time.
You need a Shiny Stone to evolve into Cinccino.
The only Unova Pokemon that evolves with a Leaf Stone is Pansage.
Minccino evolves with the Shiny Stone!
Pansear evolves by Fire Stone into Simisear.