1. osmanthus likes fertilizer very much. If fertilization is not applied for a long time, it will be very unfavorable to the growth of osmanthus fragrans. Osmanthus fragrans should use farmyard manure instead of chemical fertilizer. Osmanthus fragrans likes organic fertilizer, and it can be made into base fertilizer with decomposed livestock manure retting. Osmanthus fragrans can be mixed with water with mixed liquid fertilizer such as bean dregs and fish intestines. But it must not be too thick. Osmanthus fragrans doesn't like big fat, so it can be applied once every half month or so.

2. Fertilize sparingly and frequently. Trim liquid nitrogen fertilizer should be applied in time after flowering, and the dosage should not be too much, so as not to cause new branches in autumn and consume plant nutrients. Generally, nitrogen fertilizer 1 time is applied in spring, and phosphorus and potassium fertilizer 1 time is applied in summer to make flowers flourish. Apply 1 wintering organic fertilizer before winter, which is mainly composed of decomposed cake fertilizer and manure. Avoid thick fat, especially feces and urine. Osmanthus fragrans potted in winter in northern China should be put in a low-temperature greenhouse. Pay attention to ventilation and light transmission indoors, with little water. Appropriate amount of light fat water can be poured in the peak growth period, and the fat water can be slightly thicker in the flowering period.