The perfect, quick growing, cut and come again veggie! All parts of wok broc plants are edible and it is extensively used in cantonese cuisine. Stalks can be cooked like asparagus, leaves can be used in salads or like spinach in stir fries, flower buds are eaten like sprouting broccoli and even the flowers are edible and tasty in a salad.similar in taste to broccoli, but with a hint of kale, wok broc can be harvested in only 8 10 weeks and can be grown throughout the winter in a cold greenhouse. Usually grown as an annual but, if cut down to 7cm and kept protected, plants should re sprout in spring.tolerant to downy mildew.