Construction on the northern expansion of Shanghai Botanical Garden in Xuhui District kicked off today, featuring more than 10 new gardens and 3,000 new varieties of plants. The project covers more than 22 hectares and will be completed in two years. It runs from Longwu Road in the east, reaching Panjiatang River in the west and Luocheng Road in the north, bordering Zhangjiatang port in the south.