Broccoli is a hardy vegetable of the cabbage family that is high in vitamins A and D. It develops best during cool seasons of the year. (zt)

It originates from Italy. Until 1920, it was known only in Italy. Today several experiments and surveys have proven that the brocollo contains substances, which act against cancer. It also has vitamin A, C and E. (zt)

The part of the broccoli plant that is most often eaten is the broccoli flower head. The stem of the broccoli is also edible. (zt)

要选择茎比较粗的，杆儿比较密的，头就更不用说了。跟那什么似的，粗点结实点的好。