in the trophy garden on pokemon platinum, how many times can i catch the pokemon

[leo the luvva]

that appears in the garden? i want another eevee, i have 2 ? and i want a ? eevee!

 

[KaraBoo]

what the other person said except i believe the're only there for two days

 

[Vili]

You can catch as many as you want, it's just like a normal grass Pokemon