Exeggutor Alolan Form's Weaknesses

Best Counters

Exeggutor Alolan Form is especially weak against Ice type Pokemon, they will deal 4x damage to it!

The types that are strong against Exeggutor Alolan Form are Ice, Bug, Fairy, Flying, Poison type Pokemon.

For the best defense, Steel types have very effective defense against Exeggutor Alolan Form, and will be resistant to damage from Exeggutor Alolan Form's STAB attacks:

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

Weaknesses

Exeggutor Alolan Form's type is Grass and Dragon.

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

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

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