Boil potatoes in salted water, drain and let cool. Peel them and cut into thick slices and place in a salad bowl. Boil green beans in salted water until al dente, drain, rinse and drain well. Remove the dark green of the spring onions, chop the rest coarsely. Wash, peel and cut celery into thin slices. Halve cucumber lengthwise and cut into thin slices. Give them with the green beans, spring onions and celery to the patatoes. Mix well.
Marinade: Cut garlic finely and mix well with the basil, thyme, rosemary, olive oil, lemon juice, red wine vinegar and granulated sugar.
Marinate salad and season with salt and pepper.