Pokémon: All Grass Type Weaknesses

These are the attack types that Grass Pokémon are weak to, what dual-type Grass Pokémon are weak to, and what types Grass Pokémon are strong against.


Grass-type Pokémon are regularly found in abundance throughout Pokémon games. Often found during the early stages of the game, in the fields, jungles, and as the core type selected by a gym leader, you’ll find yourself battling Grass-type Pokémon a lot in most games.

Here, we’re looking at how you can quickly defeat these Pokémon, showing you Grass Pokémon weaknesses, all of the weaknesses of dual-type Grass Pokémon, as well as what moves that aren’t as effective against Grass.


What are Grass type Pokémon weaknesses?

Grass-type Pokémon are weak to:

  • Bug
  • Fire
  • Flying
  • Poison
  • Ice

Each of these move types is super effective against Grass-type Pokémon, dealing double (x2) the move’s standard amount of damage.

If you have a dual-type Grass Pokémon, such as one with a Grass-Poison typing like Roselia, some of these weaknesses can be negated.

In the case of Roselia, Fire, Ice, and Flying are still super effective against the Grass-Poison type Pokémon, but Poison and Bug only do a standard amount of damage. That said, Psychic moves become super effective against this typing.


What are dual-type Grass Pokémon weak against?

Here’s a table of what dual-type Grass Pokémon are weak against in Pokémon.

Grass Dual-TypeWeak Against
Normal-Grass TypeFire, Ice, Fighting, Poison, Flying, Bug
Fire-Grass TypePoison, Flying, Rock
Water-Grass TypePoison, Flying, Bug
Electric-Grass TypeFire, Ice, Poison, Bug
Ice-Grass TypeFighting, Poison, Flying, Bug, Rock, Steel, Fire (x4)
Fighting-Grass TypeFire, Ice, Poison, Psychic, Fairy, Flying (x4)
Poison-Grass TypeFire, Ice, Flying, Psychic
Ground-Grass TypeFire, Flying, Bug, Ice (x4)
Flying-Grass TypeFire, Poison, Flying, Rock, Ice (x4)
Psychic-Grass TypeFire, Ice, Poison, Flying, Ghost, Dark, Bug (x4)
Bug-Grass TypeIce, Poison, Bug, Rock, Fire (x4), Flying (x4)
Rock-Grass TypeIce, Fighting, Bug, Steel
Ghost-Grass TypeFire, Ice, Flying, Ghost, Dark
Dragon-Grass TypePoison, Flying, Bug, Dragon, Fairy, Ice (x4)
Dark-Grass TypeFire, Ice, Fighting, Poison, Flying, Fairy, Bug (x4)
Steel-Grass TypePoison, Fire (x4)
Fairy-Grass TypeFire, Ice, Flying, Steel, Poison (x4)

As you can see in the table above, more often than not, Fire, Ice, Poison, and Flying are super effective and even doubly super effective (x4) against some Grass dual-type Pokémon.

How many weaknesses do Grass types have?

A pure Grass-type Pokémon has five weaknesses: Bug, Fire, Flying, Poison, and Ice. Hitting a pure Grass-type Pokémon with any move that does damage and is of these types will be twice as powerful.


When up against dual-type Grass Pokémon, the second typing can open up more weaknesses and make the Pokémon less susceptible to its usual weaknesses. This can be seen with Grass-Steel Pokémon like Ferrothorn, which is only weak against Poison ad Fire moves.

Why do Grass type Pokémon have so many weaknesses?

Grass Pokémon have so many weaknesses because they’re often found in the early game. Grass-type Pokémon tend to be at their most numerous early on, as are Bug and Normal-type Pokémon. Due to this, it makes sense that the developers would open the Pokémon up to more weaknesses.

Furthermore, thinking of natural elements, Grass lends itself as weak to many of the other types: Grass being weak against Fire, Ice, and Bug does make sense.

What Pokémon are good against Grass types?

One of the best Pokémon to use against Grass-type Pokémon is Heatran. Grass-type moves are especially ineffective against Heatran, and Poison-type moves don’t have any effect at all. Furthermore, it has access to powerful Fire-type moves like Lava Plume, Fire Fang, Heat Wave, and Magma Storm.

Any Pokémon with Fire, Ice, Poison, or Flying-type moves tends to have a good chance against any pure Grass or dual-type Grass Pokémon. It’s even better if the Pokémon is strong against Grass-type and Poison-type moves – many Grass Pokémon have Poison-type moves. Here are some Pokémon that are good against Grass:

  • Hisuian Gorwlithe (Fire-Rock)
  • Arcanine (Fire)
  • Ninetales (Fire)
  • Rapidash (Fire)
  • Magmortar (Fire)
  • Flareon (Fire)
  • Typhlosion (Fire)
  • Infernape (Fire)
  • Heatran (Fire-Steel)

What types are Grass Pokémon strong against?

Grass-type Pokémon are super effective against Water, Electric, Grass, and Ground-type moves in Pokémon. Some dual-type Grass Pokémon, however, will take regular amounts of damage from some of these types, though, such as with Grass-Water Pokémon not being strong against Electric or Grass-type moves.

These are what attack types each form of dual-type Grass Pokémon is strong (½ damage):

Grass Dual-TypeStrong Against
Normal-Grass TypeWater, Electric, Grass, Ground, Ghost (x0)
Fire-Grass TypeElectric, Grass (¼), Steel, Fairy
Water-Grass TypeWater (¼), Ground, Steel
Electric-Grass TypeWater, Electric (¼), Grass, Steel
Ice-Grass TypeWater, Electric, Grass, Ground,
Fighting-Grass TypeWater, Electric, Grass, Ground, Rock, Dark
Poison-Grass TypeWater, Electric, Grass (¼), Fighting, Fairy
Ground-Grass TypeElectric (x0), Ground, Rock
Flying-Grass TypeWater, Grass (¼), Fighting, Ground (x0)
Psychic-Grass TypeWater, Electric, Grass, Fighting, Ground, Psychic
Bug-Grass TypeWater, Electric, Grass (¼), Fighting, Ground (¼)
Rock-Grass TypeNormal, Electric
Ghost-Grass TypeNormal (0x), Water, Electric, Grass, Fighting (0x), Ground
Dragon-Grass TypeWater (¼), Electric (¼), Grass (¼), Ground,
Dark-Grass TypeWater, Electric, Grass, Ground, Psychic (0x), Ghost, Dark
Steel-Grass TypeNormal, Water, Electric, Grass (¼), Poison (0x), Psychic, Rock, Dragon, Steel, Fairy
Fairy-Grass TypeWater, Electric, Grass, Fighting, Ground, Dragon (0x), Dark

Now you know all of the ways that you can quickly defeat Grass-type Pokémon, as well as the move types that don’t play to Grass weaknesses.


Ben Chopping

Will give almost any game a chance, particularly those that include wildlife, monsters, or prehistoric creatures of any kind.

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