I planted some Wild Tulips (Tulipa sylvestris) on the allotment last autumn. They're not edible but I wanted to see how they do in a sunny spot. Despite being named sylvestris they seem to do better in the open and haven't really prospered in the garden which is shadier.
 They grow wild in southern Europe and a few locales in Britain but the assumption is that they were bought to these shores from the continent. These seem to be doing well though the species has the reputation of being rather sporadic in flowering. It was grey earlier today when I took the photograph above but when the sun shines the flowers open wide: