Where to catch Sunkern

In Paldea (Scarlet & Violet)

• South Province (Area One) — Walk
• South Province (Area Two) — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Safari Zone — Walk

In Johto & Kanto (Gold, Silver & Crystal)

• National Park — Walk
• Route 24 — Walk

Sunkern — full Pokédex entry