Can you get Eevee in the Trophy Garden before the National Dex in Platnium?

Question

I just SO need to know, so I can get every eevee evolution!

Answer 1

Nope. Eevee is post-National Pokedex only.

Source

Answer 2

Nope, no way to get Eevee in the Trophy Garden before the National Dex. But you could see Bebe in Hearthome and she'll give you an Eevee I think. Source 1 - Source 2