Nuzleaf locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Wilds — Walk
• Mossfell Confluence — Walk
• Timeless Woods — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Route 210 — Walk
• Route 229 — Walk

In Johto & Kanto (HeartGold & SoulSilver)

• Johto Safari Zone — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Route 114 — Walk

Other games (5)

• Sword / Shield (Gen 8): Bridge Field, Dappled Grove, Route 5, Galar Route 5, Giant's Cap, Giant's Seat, Rolling Fields, South Lake Miloch, Stony Wilderness
• Ultra Sun / Ultra Moon (Gen 7): Ultra Space Wilds
• Omega Ruby / Alpha Sapphire (Gen 6): Route 114
• X / Y (Gen 6): Friend Safari
• Black 2 / White 2 (Gen 5): Nature Sanctuary

Nuzleaf — full Pokédex entry