Grubbin locations — where to catch

In Kitakami (Scarlet & Violet – The Teal Mask)

• Kitakami Wilds — Walk
• Timeless Woods — Walk
• Wistful Fields — Walk

Other games (3)

• Sword / Shield (Gen 8): Bridge Field, Dappled Grove, East Lake Axewell, Route 1, Galar Route 1, North Lake Miloch, Rolling Fields, Slumbering Weald, Watchtower Ruins
• Ultra Sun / Ultra Moon (Gen 7): Route 1, Alola Route 1, Route 4, Alola Route 4, Route 5, Alola Route 5, Route 6, Alola Route 6, Blush Mountain
• Sun / Moon (Gen 7): Alola Route 1, Alola Route 4, Alola Route 5, Alola Route 6

Grubbin — full Pokédex entry