Where to catch Plusle

In Blueberry Academy (Scarlet & Violet – The Indigo Disk)

• Canyon Biome — Walk
• Chargestone Cavern — Walk
• Polar Biome — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Fortree City — NPC Trade, Walk
• Route 110 — Walk

Plusle — full Pokédex entry