In a serving bowl, combine cucumbers, raisins, yogurt, spring onions, mint, dill weed, oregano, thyme, tarragon, garlic, and walnuts. Stir thoroughly and season to taste with salt and pepper.
Cover and refrigerate for 10 minutes before serving.
Garnish with mint, rose petals, and raisins. Just before serving, stir gently, and serve as a side dish or a