You should find Budew very easily it's at the beginning you just have to go straight through Jubilife city and into the grass beyond
battle area in grass morning
In the grass areas in route 205,it has a chance that you could find one
you can catch a porygon in Pokemon diamond by going to the old man in the mansion and out to the trophy garden. You also need the national dex to catch a porygon . walk around the grass and in a little while it will appear.
You catch it in the cave below the cycling road then you go up as far as you can and there should be a cave.
ucant catch misdreavus in diamond
Swarm. Route 230 in the grass.
battle area in grass morning
you catch a snowrunt at lake acurity in the grass after you get the national dex
the really long grass in resort area no pokeraider
use the pokeradar on the grass at valor lakefront
go somewere there is alot of grass and a honey tree
You can catch a Ditto in Pokemon Diamond after you obtain the National Dex and use the Poke Radar in the grass in route 228(or 227). Dittos have appear about 20% of the time.
You can Catch them in on the route 206 in Pokemon diamond, pearl, and platinum but is quite rare to catch so you should use a pokeradar in the grass.
In the grass areas in route 205,it has a chance that you could find one
mt. coronet, peak 1, in the grass, need poke radar
you can catch a porygon in Pokemon diamond by going to the old man in the mansion and out to the trophy garden. You also need the national dex to catch a porygon . walk around the grass and in a little while it will appear.
You catch it in the cave below the cycling road then you go up as far as you can and there should be a cave.