Different planting dates affect the yield of rapeseed hybrid Ganyouza No.5. Delayed planting shifts the plant's growth stages. As sowing is delayed, the plant takes longer to mature and flowers for a shorter time. The number of branches, pods per plant, and weight of grains decrease gradually. Pod characteristics like length and seed number show mixed trends as planting is delayed. Yield remains consistent when planting is done before mid-October but decreases significantly after this date. The best time to sow Ganyouza No.5 is in late September to early October.