Tapu Bulu's Weaknesses

Best Counters

Tapu Bulu is especially weak against Poison type Pokemon, they will deal 4x damage to it!

The types that are strong against Tapu Bulu are Poison, Fire, Flying, Ice, Steel type Pokemon.

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

Weaknesses

Tapu Bulu's type is Grass and Fairy.

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

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

Dragon type attacks will have no effect on Tapu Bulu, as Tapu Bulu is immune to this type of damage! Please avoid these types of attacks.

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