Question

What Grass types are obtainable before battling Lana?

Comments

Bro, it's Lunala not Lana.

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Lana is the name of the Water-type trial captain.

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Aye, I forgot.

Answer 1

Grass starter
A riachu is a very good Pokémon against Lana because it is an electric and physic type Pokémon and it can learn grass knot

Comments

It's Lunala, not Lana.

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Lana is a person. Lunala is a legendary Pokemon. You just got it wrong.

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Right. Thanks for reminding me.

Answer 2

I'm listing both grass and electric types in this answer, since both are good against Lana's trial.

Rowlet/Dartrix (if that's the starter you chose)
Pichu/Pikachu (Route 1)
Magnemite (Hau'oli Outskirts)
Fomantis (Route 5)
Grubbin/Charjabug (Route 4)
Oricorio Pom-Pom form (Melemele Meadow)
Bounsweet (NPC trade- Brooklet Hill Pokemon Center [correct if wrong Location])
Morelull (Brooklet Hill)
Paras (Brooklet Hill)

Comments

You can also get a magnemite in the Pokemon School's grassy area in Melemele Island.