Where can I find Frozen herbs in Laterns?

Frozen herbs can also be found in these cities:

Altach Altstätten Andelsbuch Au Bizau Bludenz Brand bei Bludenz Buchs Damüls Diepoldsau Dornbirn Egg Feldkirch Göfis Götzis Heiden Hohenems Innerbraz Koblach Lustenau Mellau Mäder Nenzing Nüziders Oberriet Schlins Schnepfau Schnifis Schwarzenberg Silbertal Sulz Thüringen Vandans Weiler Widnau Übersaxen

You can also find this in Laterns:

Yeast Dry Rye Breads Granola Bar Salads Iced Tea Pastries Nuts Vitamins And Minerals Fix Products Sweet Mares