The invention discloses a flower planting frame, comprising a mounting base. A first planting frame and an automatic telescopic bar are mounted on the mounting base, fixing rings are mounted on the automatic telescopic bar at equal intervals, the lateral sides of the fixing rings are connected respectively with a second planting frame, a third planting frame and a fourth planting frame through mounted supports, each of the first planting frame, the second planting frame, the third planting frame and the fourth planting frame is internally fitted with a humidity sensor, and the bottom of each of the first planting frame, the second planting frame and the third planting frame is provided with drain holes. The flower planting frame is fitted with the automatic telescopic bar, the planting frames are mounted through the supports fixed on the automatic telescopic bar, it is possible to adjust the height of the planting frames, the placement and arrangement of flowers are facilitated, a planting zone is never made disorderly and is harmonious, the humidity sensors are arranged to sense moisture condition of the roots of the flowers, water is supplied in time by using a miniature water pump, and maintenance time is greatly saved.