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Saffron Walden, England/UK Wealadene, Waledana, Saffornewalden Originally Valley of the Britons from the Old English walh Briton or Welshmen and denu valley . The Middle English safron Saffron was added later to distinguish this particular Walden and to acknowledge the importance of the saffron crocus that was reintroduced and cultivated here from c.1400; the purple flowering plants were used to make a dye for the weaving industry in the area.