In Pokémon Black 2, Sun Stones can be found in the Join Avenue and also Pokémon with the Pickup ability can pick it up.
Cottonee can evolve by means of sun stone, and so can petitil.:)
Sunkern evolves by giving it a Sun Stone, not by leveling up
With a sun stone. a Sun Stone can be obtained in Nimbasa City and Relic Castle.
Cottonee evolves by sun stone. If you have a sun stone you can evolve it at any time.
Black: Cottonee. White: Petilil
You can get a Sun Stone in Nimbassa City. The Sun Stone can be obtained from a person in the apartment left of the Battle Subway on the 2nd floor.
You use a Sun Stone on it.
Evolve a Krokorock with a Sun Stone
You can find a Sun Stone in Raimon/Nimbasa City (The 4th Gym City) The Sun Stone can be obtained from a person in the apartment left of the Battle Subway on the 2nd floor.
Minccino-shiny stone,muna-moon stone,pansear-fire stone,pansage-leafstone,panpour-waterstone,cottonee-sun stone,petlil-sun stone, electrik-thunder stone,lampent-dusk stone
Make ur friend trade it to u
Cottonee does not evolve into Whimsicott at a particular level. You must use a Sun Stone on Cottonee to make it evolve.