The minimum scale of flower planting is about 2 mu of land. Generally, 2-5 kinds of flowers and plants can be planted on 5 mu of land. Only one plant is too monotonous to be busy during the harvest season. There are many flowers suitable for planting in Beijing, such as rose, chrysanthemum, gerbera, sunflower, snapdragon, violet, corn poppy, marigold, eustoma grandiflorum, Senecio scandens, Ye Mudan, delphinium and honeysuckle. Celosia seed Celosia cristata , shell flower, bellflower, marigold, chrysanthemum and pine cone. 5 acres of land, you can communicate without building a plastic shed in spring and summer, and it is better to build it in late autumn and early winter. Greenhouse investment is relatively large. Generally, a greenhouse with a length of 40 meters and a width of 8- 10 needs about 10 yuan (general greenhouse). The flowers planted in summer mainly include sunflower, amaranth, Gan Song, chrysanthemum, cockscomb, rose, chrysanthemum and platycodon grandiflorum. In winter, roses, gerbera, chrysanthemums, marigold, corn poppy, shell flowers, violets, delphinium, snow pearl flowers and Pulsatilla are all suitable for growing in the greenhouse. If you want to get better benefits, you must build a greenhouse in late autumn and early winter. Only perennial production can guarantee the maximum benefit. First of all, on the basis of technical conditions, it is impossible to cultivate success without technology. The investment is related to the types of flowers planted, and the investment amount of different flower varieties is different. About 5 mu of land needs thousands of pieces in summer, but to build a greenhouse, we must increase investment.