i think you need to battle with with an item or trade ive evoled mine but i cant remember go to Pokemon marriland to find more about it
give it a razor fang and level up
Level it up holding the razor fang between 8pm and 3.59 am
Make it hold a Razor Fang at night and level it up.
use the razor fang
Level 40.It will evolve at level 40.
dark stone
They evolve on level 40
it doesn't evolve only in Pokemon diamond or pearl.
It evolves in Pokemon Diamond and Pokemon Pearl at Level 40.
It evolve at level 40.
A fire stone might work, but ponyta's usually evolve at level 40.
It evolves at level 40.