Question

What Grass and Water Pokemon are available before Gym Leader Clay in Black/White 2?

Comments

what do you mean by clay?

Answer 1

Grass types
Snivy - Starter
Sewaddle - Route 20
Sunkern - Route 20
Cottonee - Castelia City
Petilil - Castelia City
Maractus - Desert Resort
Pansage - Lostlorn Forest
Roselia - Lostlorn Forest
Deerling - Route 6
Foongus - Route 6

Water types
Oshawott - Starter
Psyduck - Floccesy Ranch
Azurill (Azumarill) - Floccesy Ranch
Eevee (Vaporeon) - Castelia City
Panpour - Lostlorn Forest
Ducklett - Driftveil Drawbridge

I think this is it. Please tell me if I missed any.
Source: Serebii and Pokemondb pokedex

Comments

You forgot about the starters.

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You forgot about deerling, even if it doesnt learn many grass type moves it is a grass type :)