You evolve him from Burmy. You can find Burmy by spraying honey on sweet trees and then returning the next day or so. He's quite rare, however, and you only have a 5% or so chance of getting one.
Route 214
Wormadam
Wormadam is a Pokemon from the Pokemon Pearl, Diamond, and Platinum video games. It is obtained by leveling a female Burmy to level 20. A male Burmy will not evolve into Wormadam, but instead into Mothim.
wou put honey on a tree hope for a female burmy and evolve it
You cannot find this Pokemon in the wild, you have to evolve a female burmy at lv.20. Or you can try the GTS.
Route 214
wormadam.
wormadam
on route 214
Wormadam does not evolve.
wormadam
Wormadam
you can't actually catch a wormadam you have to use a honey on a yellow tree and you have probably have a 25% chance of finding a burmy it has to be a girl .
In order to get a wormadam in Pokemon Platinum, you need to catch a female Burmy and evolve it.
On route 214 between Pastoria and Veilstone a beauty has a wormadam.
you go to route 215
The trainer who uses a Wormadam in "Pokémon Platinum" is named Devon who is within Route 214.