23 juin 2023 · The Rare Seed in Stardew Valley is a mysterious item that seems almost unattainable in the early game, but it can lead you down a path of massive profit if you play your cards right and make the most out of your Sweet Gem Berry at the end of Fall. Sweet Gem Berry Locations & Uses – FandomSpot Sweet gem berries come from rare seeds, which are sold by the traveling cart. These berries don’t have many uses – but they are great for padding your Stardew bank account.