1. Soil problem
Begonia has relatively high requirements on soil. If the soil is not replaced for a long time, it will cause soil hardening and soil nutrient loss. The roots of Begonia flowers will not be able to absorb nutrients and Moisture will cause the leaves to wilt.
2. Lack of water
Begonia flowers need to be watered in time, otherwise the soil will dry out, unable to provide sufficient water to the begonia flowers, and the leaves will gradually dry up.
3. Insufficient nutrients
Every plant needs nutrients. The main reason for the dry leaves of Begonia flowers is due to insufficient nutrients. Without sufficient nutrients, Begonia flowers will wither. The flowers will grow poorly, causing the leaves to lack nutrients. You can spray some fertile leaf foliar fertilizer.
4. Light problem
Begonia flowers are positive plants and like to be exposed to strong light. If there is insufficient light, the begonia flowers will become elongated, the leaves will be dull and yellow, and they will eventually wither.
5. Plants are hypoxic
Begonia flowers have very high requirements on the environment. They not only need sufficient sunlight, but also need to be cultivated in a well-ventilated environment, otherwise the plants will be hypoxic. , the leaves gradually dry up.
Extended information:
Begonia has a graceful appearance and blooms like a brocade. It has been a famous flower appreciated by both refined and popular people since ancient times. It is known as "the fairy among flowers" and "the noble concubine of flowers". ", "noble flower", crabapple is known as "the beauty of the country", and is often planted in royal gardens in conjunction with magnolia, peony and osmanthus, forming the artistic conception of "yutang is rich and noble".
Literature writers in the past dynasties have many popular poems praising Begonia. Lu You's poem says: "Although he is gorgeous and has no vulgar appearance, the Emperor is really rich and noble." It describes the beauty and elegance of Begonia. In another poem by Lu You: "The scarlet parrot and green are extremely clever, and the overlapping calyx and heavy tarsus dazzle the morning sun." It describes the image of the bright red flowers and green leaves of Begonia flowers and the luxuriant flowers competing with the sun. Liu Zicui's poem from the Song Dynasty goes: "The quiet and graceful posture makes the spring clear, and the plum blossoms borrow the wind and the willows to lend light... After several night rains, the fragrance is still there, and the painting cannot be painted with rouge..." Describing Begonia as demure She is a lady, so Begonia combines the advantages of plum and willow and is charming and moving. The fragrance still lingers after the rain, and the flowers are so beautiful that it is difficult to describe. No wonder Emperor Ming of the Tang Dynasty also compared the sleeping Concubine Yang to Begonia. Lu You's poem says: "Although he is gorgeous and has no vulgar appearance, the Emperor is really rich and noble." It describes the beauty and elegance of Begonia. Su Dongpo was fascinated by it. There is a famous saying: "I am afraid that the flowers will fall asleep late at night, so I burn a high candle to illuminate the red makeup." Therefore, Begonia is nicknamed "Jieyu Flower".