Cymbidium, as a traditional famous and precious flower in our country, is deeply loved by people for its elegant posture and fresh flower fragrance. During the maintenance process, many flower friends will find that the leaves of Cymbidium turn yellow, which not only affects the beauty of Cymbidium but may also pose a threat to its growth. This article will analyze the reasons for the yellowing of Cymbidium leaves and provide corresponding maintenance suggestions.
Reasons for the yellowing of Cymbidium leaves1. Improper water management
Water is the basic need for plant growth, and Cymbidium is no exception. Improper water management is one of the main reasons for the yellowing of Cymbidium leaves, which is manifested as excessive or insufficient watering.
(1) Excessive watering: Long-term excessive watering can lead to soil waterlogging, root hypoxia, and cause root rot, which in turn leads to leaf yellowing.
(2) Insufficient watering: Insufficient watering will make the soil dry, and the roots cannot absorb enough water, leading to leaf yellowing.
2. Insufficient light
Cymbidium prefers scattered light, and excessive direct sunlight or long-term exposure to dark environments can lead to leaf yellowing.
3. Unsuitable temperature
The suitable temperature for Cymbidium growth is between 15℃ and 25℃. Too high or too low temperatures can cause leaf yellowing.
4. Soil problems
Poor soil quality, poor breathability, and poor drainage can lead to the yellowing of Cymbidium leaves.
5. Diseases and pests
Cymbidium may be plagued by diseases and pests during its growth, such as leaf spot disease and aphids, which can lead to leaf yellowing.
Maintenance suggestions for the yellowing of Cymbidium leaves1. Water management
(1) Moderate watering: Water according to the dryness and humidity of the soil, avoiding excessive or insufficient watering.
(2) Maintain soil breathability: Choose breathable soil such as decomposed leaf soil and perlite, which is beneficial for root respiration.
2. Light management
(1) Avoid direct sunlight: Place Cymbidium in a place with sufficient scattered light and avoid direct sunlight.
(2) Moderate shading: In hot summers, appropriately shade Cymbidium to lower the temperature.
3. Temperature management
Place Cymbidium in a suitable temperature environment, avoiding high or low temperatures.
4. Soil management
(1) Choose breathable soil: Decomposed leaf soil, perlite, etc.
(2) Regularly replace the soil: Replace the soil every 2-3 years to ensure the fertility and breathability of the soil.
5. Disease and pest control
(1) Regular inspection: Deal with diseases and pests in a timely manner.
(2) Use pesticides: Under professional guidance, use pesticides to control diseases and pests.
There are many reasons for the yellowing of Cymbidium leaves. Understanding the reasons and taking corresponding maintenance measures can help Cymbidium grow robustly. I hope this article can provide you with assistance and wish your Cymbidium to be healthy and beautiful!