What are the cultivation methods and precautions of hibiscus?

Hibiscus cultivation method

Hibiscus is a plant of the genus Hibiscus, which is widely planted in South China. It has a long flowering period, almost all year round, and the flowers are large and colorful, with large quantities of flowers. It is often propagated by cuttings and grafting.

Hibiscus prefers an environment with plenty of sunlight and is not shade-tolerant. It grows better in a well-ventilated, warm and humid environment. It is not frost-tolerant and the winter temperature should not be lower than 5°C. It is not demanding on soil, but grows best in fertile, loose, slightly acidic soil.

Hibiscus is a light-loving plant. If it is potted, it is best to place it in a place with good light. Insufficient light will cause the leaves to be lifeless and there will be few flower buds. Good ventilation is also required to reduce the occurrence of diseases and pests. Except for indoor cultivation during the low temperatures in winter, it is best to keep it outdoors in a place with good light at other times.

Watering method

Hibiscus is not drought-tolerant. During the growing season, the soil in the pot needs to be kept moist, but there should be no accumulation of water. Hibiscus blooms in summer, so during the flowering period, in addition to keeping the soil in the pot moist, you should also spray water on the surrounding environment to lower the temperature and prolong the flowering period. You should also pay attention to the ventilation environment, especially after watering, when the temperature drops in autumn and winter, control the amount of watering.

Fertilization method

Hibiscus likes fertilizer and needs to be applied thin fertilizer frequently to meet its growth needs. During the growth period of hibiscus, you can apply thin liquid fertilizer or alum fertilizer water once every 15 days. Summer is the flowering period of hibiscus. The temperature is high, the growth is slow, and the demand for nutrients is reduced. Apply phosphorus fertilizer once to promote flowers and flower color. In autumn, control the amount of fertilizer.

Pruning methods

When the potted hibiscus plant grows to the desired height, pinch the top and prune it to promote branching and achieve more flowering. After flowering, you need to promptly cut off the dead flowers and branches to promote new branches. You can also trim the overgrown branches, thin branches, branches that affect the plant shape, and branches that are too dense to increase ventilation and light transmittance.

Matters Needing Attention in Hibiscus Breeding

1. When growing hibiscus in potted plants indoors, if the ventilation conditions are not good, it is easy to be invaded by diseases and pests. Common diseases of hibiscus include leaf spot disease, which will cause leaves to fall off. It is necessary to spray methyl thiophanate solution in time for prevention and control. The most common diseases and pests of hibiscus are red spider mites and aphids, which directly threaten the growth and flowering of hibiscus. You can spray insecticide emulsion or mite-cleaning insecticide.

2. Sudden changes in planting environment conditions, such as moving from a full-sunlight environment to a shaded indoor environment, or too dry or too wet potting soil, leading to root rot, will cause a large number of hibiscus flowers and buds to fall. Therefore, potted hibiscus should be moved less frequently, given sufficient sunlight during the flowering period, and watered appropriately to avoid a large number of flowers and buds falling off the plant.