Garden seedling base introduction: The high-tech seedling production base focuses on research and cultivation of green seedlings. It has successively cultivated cold-resistant, drought-resistant, salt-alkali tolerant, environmentally friendly, evergreen, light-proof, and suitable for planting in the northern Central Plains. Korean pine with good crown shape, Xing'an deciduous, Landrace deciduous, silvery poplar, elm, sand spruce, sugar maple, peach, Schisandra, white stem spruce and other tree species and green seedlings.