Type matchups and best counters for Sunkern in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Sunkern and what types to use against it.
Types that deal increased damage to Sunkern. Use these types to counter it effectively.
Types that Sunkern resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Sunkern, either offensively or defensively.