Wanglian is a tropical plant, like high temperature and humidity, cold tolerance is particularly poor. When the temperature drops to 20 ℃, the growth of Wang Lian stops; when the temperature drops to about 14 ℃, Wang Lian will freeze; when the temperature drops to about 8 ℃, Wang Lian will die of cold. In the process of cultivating wanglian, we should ensure the temperature of the water and the surrounding environment. According to the different regions, we should take different methods to keep warm in winter. In the tropical areas, we can have a normal winter. In the areas south of the Tropic of cancer, we need some heat preservation facilities to winter. In the areas north of the Tropic of cancer, we need a special greenhouse to winter.
Wang Lian likes light. She needs enough sunlight for floating plants. If the light is not good, the branches and leaves will grow in vain, the leaves will be small and thin, and it is not easy to blossom. At the same time, the better the visibility of water, the better the light. Put Wang Lian in a sunny place.
Wang Lian likes deep and fertile soil and sludge. The depth of sludge in the pond should be 50 cm. Wang Lian doesn't like too deep soil. It's better not to exceed 1 meter deep, which can make the leaves stretch freely.
In order to avoid mosquito breeding and deterioration of water quality, when the water appears turbid, water should be replaced, especially in summer, when the temperature is high and the water quality is easy to change, the number of water changes should be increased
Wang Lian needs to apply enough stable manure or cake fertilizer, and apply top dressing 1-2 times in the flowering period of Wang Lian. Stop fertilizing immediately after autumn.
