When the outside temperature is close to the maximum temperature for flower survival, the plants will grow poorly, stunt slowly, and may even die within a short time. The reason is that high temperatures increase flower respiration and reduce photosynthesis, and the imbalance between nutrient accumulation and consumption is degraded. Plants lack adequate nutrition and are stunted and even stop growing. Ultrahigh temperatures above 45°C can be used. The proteins in flower cells are solidified by heat and cause the death of the plants. The high temperature will cause the leaves of the foliage plants to bleed green, shortening the flowering period of the flowers or the petals. Diseases and insect pests are frequent at high temperatures, causing serious damage to flowers. Based on my practice of flower cultivation for many years, I now briefly describe the "Four Words" principle for prevention of high temperature in flowers and trees as follows:
Strong light
For flowers that are afraid of high temperature and light, such as bells, cyclamen, orchids, etc., in the high temperature season in summer, proper shading or conservation in the shade can provide normal summer heat for them. Development provides the necessary cool environment. If you don't have a arbor or shade, you can also use the shade during the day to cool down in the room and move to the open air for ventilation at night.
Water cooling
Sprinkling and spraying water around the site where potted plants are placed can increase the humidity and reduce the temperature. Reduce the leaf surface evaporation, enhance the ability of flowers to resist drought, and create a cool and moist small environment for flowers. When watering, be sure not to pour cold water at noon or on pots that have already begun to wilted; otherwise, it will easily cause “cold†and accelerate its wilting or death.
Timely shelter
Summer rain is large and long, and it lasts long. The sudden cooling caused by rainfall easily damages the root hairs. The water in the basin after the rain has hindered the respiration of the roots, which can easily lead to rot. The roots of the fleshy roots are more severe. Flowers that are in a weak or semi-dormant state in midsummer should be placed in a place sheltered from rain. Even flowers in open fields should be properly covered. The accumulated water after rain should be promptly removed.
Ventilation is better
Respiration and photosynthesis of flowers must have sufficient fresh air. Ventilation can also reduce harmful and toxic gas concentrations. Poor ventilation can hinder respiratory function, affect the normal growth of flowers, and even cause the gradual death of flowers. Strengthen the ventilation of the site, appropriately reduce the planting density of open field flowerbeds, and reasonably prune and trim, all can achieve a good ventilation effect.
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