M&S Collection Edible Viola Flowers Grown by a small family-owned business in Evesham, Worcestershire, these hand picked British edible viola flowers are perfect for adding a delicate garnish and subtle flavour to salads. Or simply freeze into ice cubes for a pretty addition to your favourite cocktail. Wash before use. Welcome to Collection from M&S, where exceptional quality and intricate attention to detail makes for something truly special.