Ferroseed's Weaknesses

Best Counters

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

The types that are strong against Ferroseed are Fire and Fighting type Pokemon.

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

Weaknesses

Ferroseed's type is Grass and Steel.

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

Ferroseed has a weakness to Fire and Fighting types. These Pokemon types will be strong against Ferroseed, causing Ferroseed to take a super effective quadruple (4x) damage from Fire type attacks, and causing Ferroseed to take a super effective double (2x) damage from Fighting type attacks.

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

Please keep in mind that Ferroseed is resistant to attacks from Dragon, Electric, Fairy, Normal, Psychic, Rock, Steel, Water, Grass types, and these attacks are not very effective and cause reduced damage, so they should be avoided.