Sunkern locations — where to catch

In Paldea (Scarlet & Violet)

• Poco Path — Walk
• South Province (Area One) — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Route 204 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk
• National Park — Walk
• Route 24 — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• National Park — Walk
• Route 24 — Walk

Other games (5)

• Brilliant Diamond / Shining Pearl (Gen 8): Route 204
• Omega Ruby / Alpha Sapphire (Gen 6): Route 109, Route 114, Route 124, Route 132, Lilycove City, Mirage Spot Forest, Mossdeep City
• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Unova Route 20
• Black / White (Gen 5): Unova Route 12

Sunkern — full Pokédex entry