The key to caring for potted chrysanthemums lies in light, water, fertilizer and pruning

The chrysanthemum is a traditional famous flower of China, with a great many varieties, rich colors and highly malleable plant form, making it very suitable for potted display. Placed on a balcony, in a courtyard or on a windowsill, it is especially striking when it blooms in autumn, and it is a very popular type among home gardeners.

Light is the primary condition for caring for potted chrysanthemums. Chrysanthemums like a sunny environment, and during the growing period they should be placed in a spot with good light; insufficient light easily leads to slender branches, sparse leaves and fewer flowers. The chrysanthemum is also a typical short-day plant, differentiating flower buds only after the days grow shorter in autumn, so at night it should not be kept for long periods under strong artificial light, lest normal flowering be affected.

Watering should follow the principle of watering when dry and letting it dry between waterings: water thoroughly only after the surface of the potting soil has dried, and avoid prolonged waterlogging, which causes root rot. Chrysanthemums like fertilizer; during the peak growing season, a dilute liquid fertilizer can be applied regularly, and around the bud stage, additional phosphorus and potassium fertilizer can be applied to give more buds and brighter colors, but the fertilizer concentration should not be too high, lest the roots be burned.

Pruning and pinching are the key to getting chrysanthemums to bloom more. Pinching several times during the seedling stage can encourage side branches, making the plant fuller and increasing the number of flower heads; after the branches grow tall, stakes can be set up to prevent lodging. Remove yellow leaves promptly at ordinary times, and after flowering cut off the spent flowers and aged branches, which helps vigorous new shoots sprout the following year.

As for common problems, potted chrysanthemums are prone to pests such as aphids; once discovered, deal with them promptly and keep the environment well ventilated. In summer heat and the rainy season, attention should be paid to shading and drainage; in winter, after the above-ground parts wither, store the pot in a cool place, and in spring of the following year simply repot and divide the plants to continue growing them. As long as light, water, fertilizer and pruning are all handled well, potted chrysanthemums will produce full, brilliant blooms year after year.