2 Grass Type Pokemon that can defeat Blissey in Pokemon Go

Exeggutor (high Attack and Stamina stats)

Max CP: 2916

Best Moveset: Extrasensory/Solar Beam (to defeat Blissey)

Exeggutor with solar beam to be extremely effective at knocking out a Blissey that's about 200-300 CP higher than the exeggutor. No dodging of quick moves and only dodging the charge moves. Mr Exeggutor is strong enough for the quick moves to matter and is tanky enough to take the hits from Blissey. 

Venusaur (strong Attack, Defense, and Stamina stats)

Max CP: 2569

Best Moveset: Razor Leaf/Solar Beam (to defeat Blissey)

Venusaur is a favorite amongst attackers and defenders due to its strong Attack, Defense, and Stamina stats. Venusaur destroying the scourge of high-tier water-type Pokemon, Vaporeon in particular. Venusaur’s typing and moveset options are custom-built to demolish these incredibly common attackers, and it also crushes the rock/ground types as a bonus.In addition, it can learn the most powerful grass type move, solar beam which is the main important to defeat Blissey. 

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