Tropius locations — where to catch

In Paldea (Scarlet & Violet)

• Casseroya Lake — Walk
• Dalizapa Passage — Walk
• West Province (Area Three) — Walk
• West Province (Area Two) — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Great Marsh — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Pokéwalker — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Route 119 — Walk

Other games (6)

• Ultra Sun / Ultra Moon (Gen 7): Exeggutor Island, Poke Pelago
• Omega Ruby / Alpha Sapphire (Gen 6): Route 119, Route 120
• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Unova Route 18
• Black / White (Gen 5): Unova Route 14
• Colosseum (Gen 3): Realgam Tower

Tropius — full Pokédex entry