It'll evolve at level 40. It may take awhile.
Krokorok evolves into Krookodile at level 40. Frillish evolves into Jellicent at level 40. Ferroseed evolves into Ferrothorn at level 40. Those are the only pokemon in Unova that evolve at level 40.
Happiny
Vulcurna does not evolve. It is the 2 and final stage.
It is where you can evolve an Eevee into Glaceon.
Yes, evolution is still available in Pokemon Black and White, although like most generations, some of the new Pokemon introduced have no evolutions and therefore will not evolve, such as Audino and Durant.
lvl 40
Carracosta does not evolve
Absol doesn't evolve.
Krokorok evolves into Krookodile at level 40. Frillish evolves into Jellicent at level 40. Ferroseed evolves into Ferrothorn at level 40. Those are the only pokemon in Unova that evolve at level 40.
narrow the question to a specific Pokemon
Happiny
Only by trade.
You can find frillish at route 17 , most of the time they may be male,some are female.
Vulcurna does not evolve. It is the 2 and final stage.
Level 26
lv 27
Roggenrola evolves at level 25 into Boldore on Pokemon Black.