In Pokemon Diamond/Pearl, you find a old man at route 212 with a Leafeon.
honey trees
No trainer has a combee in diamond and pearl but you can find a combee on trees you put honey on. There is a trainer in route 208, she has combee and Roselia
that would be me
you can't you have to get an evee
Yes if you want it on pearl
By trading across from either Pearl, Diamond or Platinum version
You have to get it from a friend who has Pearl/Diamond/Platinum
You'll need to trade for it from Pokemon Diamond, Pearl, or Platinum.
honey trees
you can't. there's no moss-stone to evolve it, so you'll need to trade it from diamond, pearl or platinum
No trainer has a combee in diamond and pearl but you can find a combee on trees you put honey on. There is a trainer in route 208, she has combee and Roselia
level up eevee near it and it evolves into leafeon.
No trainer have Rotom in Pokemon Pearl, Diamond, or Platinum.
(dim wit) You can't catch them in Pokemon Leaf Green because Leafeon and Glacieon was discovered in the Sinnoh region (Diamond, Pearl, and Platinum).
You have to trade it from Diamond, Pearl, or Platinum. You can't evolve Eevee into it in HG/SS.
Cynthia the Pokemon Champion has a Milotic in Pokemon Diamond, Pokemon Pearl and Pokemon Platinum.
you get a leafeon by going to eterna forest with an eevee. Go to the mossy stone(hidden so use some repels)then level up your eevee and it will evolve into a leafeon.