What to do when the leaves of Epipremnum aureum turn yellow? Epipremnum aureum yellow leaf care guide.

Why Do the Leaves of the Epipremnum aureum Turn YellowAs the "air purification expert" in the indoor green plant world, Epipremnum aureum is deeply loved for its strong vitality and elegant vines. However, many plant enthusiasts find that the originally lush green leaves suddenly show yellowing, which is caused by improper care or unsuitable environment? This article will analyze through five key factors, guiding you to fully master the correct care methods for Epipremnum aureum.I. Improper Light Control1.1 Damage from Direct Strong LightEpipremnum aureum originates from the shade of tropical rainforest trees, with a thin cuticle layer that cannot withstand direct strong light. Experimental data shows that when the light intensity exceeds 15000 lux, the chloroplast structure in the leaves will suffer irreversible damage within 4 hours.1.2 Scientific Light SolutionIt is recommended to adopt the "Three-meter Rule": Place the plant three meters away from a south-facing window, or use a sheer curtain with a light transmittance of 40-60% to filter the light. If sunburned yellow spots appear, immediately move it to a fully shaded environment and spray water on the leaves to promote recovery.II. Imbalance in Humidity Management2.1 Impact of Dry AirWhen the ambient humidity is below 50%, the stomata of Epipremnum aureum remain open, leading to excessive transpiration of water. It is recommended to use an ultrasonic humidifier in air-conditioned rooms to maintain an optimal humidity of 60-70%RH, and be careful not to spray directly at the plant.2.2 Techniques for Scientific HumidificationYou can adopt the "Group Care Method": Place 3-5 pots of green plants together to form a microclimate. Clean the leaves with warm water at 25℃ weekly, which can both remove dust and supplement water. Remember to ventilate immediately after wiping to prevent bacterial growth.III. Abnormal Water Supply3.1 Identification of Water Deficiency SymptomsThe symptoms of water deficiency are yellowing from the bottom up, with the leaves becoming wrinkled and wilted. Use the "Finger Joint Detection Method": Insert the second joint of the index finger into the potting soil, and if it is completely dry, water immediately.3.2 Watering Strategies for All SeasonsUse the "Morning Soaking Method" in summer and the "Afternoon Spraying Method" in winter. Special reminder: The water temperature should be consistent with the room temperature, avoiding a temperature difference greater than 5℃ that could cause root stress.IV. Misconceptions in Nutrient Management4.1 Symptoms of Fertilizer BurnExcessive fertilization can lead to leaf tip scorching and soil compaction. It is recommended to use an EC value pen to monitor the soil conductivity every quarter, maintaining a value between 1.2-1.8mS/cm.4.2 Scientific Fertilization PlanDuring the growing season, adopt the "211 Fertilization Method": Apply a special liquid fertilizer for leafy plants (diluted 2000 times) twice a month + one microbial agent + one foliar fertilizer. Fertilization should be completely stopped during the winter dormancy period.Through systematic analysis, it can be seen that the yellowing of Epipremnum aureum leaves is essentially a mismatch between growth needs and care methods. It is recommended to establish a care log, recording data such as temperature and humidity, watering frequency, etc., to gradually form a personalized care plan. As long as you master the three principles of "moderate light, balanced humidity, and precise water and fertilizer," you can certainly make Epipremnum aureum regain its jade-like luster.