Where can I find Horseradish in Oensingen?

Horseradish can also be found in these cities:

Aesch Balsthal Biberist Breitenbach Bubendorf Derendingen Egerkingen Gelterkinden Gerlafingen Herzogenbuchsee Huttwil Langendorf Langenthal Laufen Lostorf Murgenthal Oftringen Olten Reiden Rothrist Sissach Solothurn Utzenstorf Zell Zofingen Zuchwil

You can also find this in Oensingen:

Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise Rice Pastries