Pierre's grocery store According to official website's query game "Tale of Stardew Valley", garlic seeds in the game "Tale of Stardew Valley" can be bought at Pierre's grocery store for 40 gold, at Joja supermarket and some travel vans, at seed producers, or at night markets (winter 15) for 40 gold. Garlic seeds can be sown in spring, and it only takes 4 days to mature. Ripe garlic can be used to make French snails, Italian bracken stew and garlic oil.