Where can I find Horseradish in Arth?

Horseradish can also be found in these cities:

Baar Buchrain Buochs Cham Ebikon Einsiedeln Emmen Goldau Horw Ibach SZ Ingenbohl Kriens Küssnacht Lucerne Richterswil Rotkreuz ZG Stans Steinhausen Stäfa Unterägeri Urswil Wädenswil Zug

You can also find this in Arth:

Breakfast Croissants Canned Food Fruit Fresh Pesto White Bread Sliced Canned Soups Frozen Products Rosé AAA (Micro) Batteries Butter