What if the leaves of the latest crab claw orchid turn yellow?

Crab claw orchid node stem often because of too long and pendulous shape, very suitable for windowsill, doorway entrance and exhibition hall decoration, in the breeding of yellow leaves is a common problem in the breeding process of crab claw orchid, because crab claw orchid leaves yellow for many reasons, so we need more careful care and maintenance, let's take a look at crab claw orchid leaves yellow how to do it!

Environmental Conditions for the Cultivation of Cymbidium sinensis

Crab claw orchid in the global tropics, subtropical common cultivation, like cool, warm environment, drought resistance, fear of high temperature and heat in summer, more tolerant of shade. The optimum temperature for growth is 20~25℃, and the temperature for dormancy is about 15℃. Likes loose, organic-rich, well-drained, breathable substrates. Crabapple is a short-day plant. Under the condition of 8~10 hours of sunshine every day, it can bloom in 2~3 months. The flowering period can be adjusted by controlling the light.

The reason for the yellow leaves of crab claws

The yellowing of crab claw orchid leaves is nothing more than that the environment is too different from the ideal environment, such as insufficient nutrients, too little humidity, cold current invasion, soil hardening, diseases and insect pests, pot soil is too dry, etc., which can be eliminated one by one according to these reasons in the process of breeding. There are also two important pathogenic factors worthy of attention. One is that the crab claw orchid will go through a period of dormancy after flowering, and the plant will stop growing. At this time, too much watering and wet pot soil will cause the leaves to yellow. Second, the spring and summer season light is strong, outdoor maintenance if not shade leaves will also yellow.

What about yellow crab claws?

1, fertilizer: crab claw orchid in the usual growth period of fertilizer demand is not large, but after entering the bud stage need to supplement some fertilizer in time, so that the plant growth exuberant, flower bud differentiation is good, bud development is normal and full. Lack of fertilizer to buy some monopotassium phosphate, used to water and then watering so that he can get relief.

2. Watering: Watering must be controlled. Do not water too frequently. If the surface of the basin is not dry, do not water it. If it is watered, it can be poured thoroughly. Especially in winter, it must be determined by the dry surface of the basin soil. Of course, it is only drought-resistant, not drought-loving plants, can not let the basin soil too dry, otherwise the same problem will occur. It is necessary to ensure sufficient room temperature and ensure that there is no cold wind blowing.

3. Humidity: Do not place the crab claw orchid on the radiator or at the tuyere of the air conditioner, otherwise the dehydration of the leaves will accelerate, causing the leaves of the plant to turn yellow.

4. Pests: To prevent the harm of red spiders and scale insects, special killing agents can be sprayed for prevention and control when they occur, such as mite net, acaricide, etc. to control red spiders, killing phosphorus, scale death, etc. to kill scale insects.

5. Dormancy: Crab claw orchid has two flourishing periods and two semi-dormant periods every year, so it must be watered and fertilized according to this growth law. Because it likes half shade, it is necessary to choose different positions in different seasons.