1、 Need fertilization

In the flowering period of chrysanthemum, fertilization is appropriate, which is generally not used, but it can not be excessive, otherwise it is easy to cause flower buds to fall. Its root system is very developed and its fertility is relatively strong. It is a fertilizer loving plant. Therefore, different amounts of nutrients are applied in different growth periods to ensure growth

2、 How to apply fertilizer in different periods

1. At the beginning of planting, it is necessary to apply enough base fertilizer to ensure growth. After that, nitrogen fertilizer can be applied every 10 days or so, which can promote the growth of plants and branches

2. From the beginning of autumn, when flowers begin to conceive to the emergence of flowers, it is necessary to apply a slightly stronger nutrient once a week

3. Before the flowers bloom, you can apply a little more fertilizer to accumulate nutrients for the flowers to bloom

4. When the flowers are in bloom, you can spray some phosphate fertilizer on the leaves

3、 Method of prolonging flowering

1. Illumination: ensure sufficient illumination conditions, and appropriately extend the irradiation time for at least 6 hours a day. It should not be placed where there is no sunlight

2. Moisture: we must meet the demand of water, and watering should be timely

3. Pruning: cut off the failed flower buds in time