Leavanny's Weaknesses

Best Counters

Leavanny is especially weak against Fire and Flying type Pokemon, they will deal 4x damage to it!

The types that are strong against Leavanny are Fire, Flying, Bug, Ice, Poison type Pokemon.

For the best defense, Flying, Fire, Steel types have very effective defense against Leavanny, and will be resistant to damage from Leavanny's STAB attacks:

Rock types will also deal super-effective damage against Leavanny, but be careful using Pokemon of this type because they may also receive extra damage from some of Leavanny's attacks!

Weaknesses

Leavanny's type is Bug and Grass.

Leavanny is especially vulnerable to Fire and Flying attacks, it will receive a super effective four times (4x) the amount of damage! Since Fire and Flying type Pokemon are especially strong against Leavanny, you should attack with this type of Pokemon.

Leavanny has a weakness to Fire, Flying, Bug, Ice, Poison, Rock types. These Pokemon types will be strong against Leavanny, causing Leavanny to take a super effective quadruple (4x) damage from Fire and Flying type attacks, and causing Leavanny to take a super effective double (2x) damage from Bug, Ice, Poison, Rock type attacks.

Please keep in mind that Leavanny is resistant to attacks from Electric, Fighting, Water, Grass, Ground types, and these attacks are not very effective and cause reduced damage, so they should be avoided.