Palestinian cuisine a variety of leaf vegetables, primarily grape leaves, cabbage leaves and less often chard. "Mahshi" requires delicacy and time—the main reason it is prepared before the day it is cooked and served. Many female family members participate in the rolling and stuffing of the vegetables, relaxing the amount of individual effort required, with great attention to detail. "Waraq Dawali" (stuffed grape leaves), is a "mahshi" meal reserved for large gatherings. The grape leaves are normally wrapped around minced meat, white rice and diced tomatoes, however meat is not always used. Dawali is an excellent representation of the attention to detail
Napa cabbage develops similar to other head-forming leaf vegetables, for example cabbage lettuce. The chronological stages on the BBCH-scale are germination, leaf formation, vegetative growth (head-forming), appearance of the sprout that bears the flowers, flowering, fruit development, seed ripening and senescence. Napa cabbage is an annual plant that reaches the generative period in the first year. It must be consumed in its vegetative period, so there is a challenge in cultivation not to reach the stadium of flowering. The stadium of flowering can be initiated by cold temperatures or the length of the day. Napa cabbage reproduces mainly by allogamy. Napa cabbage