2. Pruning residual flowers: When chrysanthemum withers, it is necessary to prune the residual flowers in time to prevent the flowers from still consuming the nutrients in the branches, cut off the withered residual flowers, properly cut off the flower branches and remove the yellow branches and leaves on the plants, which can reduce the consumption of nutrients and maintain the beauty of the plants.
3. Proper watering: After chrysanthemum blossoms, water regularly to keep the soil moist, but avoid water accumulation in the soil.
4. Sufficient light: Chrysanthemum is sunny and cannot lack light. After the flowers are raised, put them in a place with sufficient light and keep the light for more than five hours every day.