How to Solve the Issue of New Leaves of Epipremnum Aureum Turning Black and Looking Burnt
Epipremnum aureum, a common indoor ornamental plant, has困扰ed many plant enthusiasts with the issue of its new leaves turning black and becoming crispy. This abnormality often indicates a gap in the maintenance process. This article will systematically analyze the four core causes and provide actionable solutions to help your Epipremnum aureum regain its lush vitality.
One: Solution for Nutritional Imbalance
Fertilizer Damage Causes Leaf Carbonization
Over-fertilization is a common cause of black new leaves in Epipremnum aureum. When the soil EC value exceeds 1.5mS/cm, the roots will experience dehydration due to osmotic pressure imbalance, leading to leaf tip carbonization spreading. It is recommended to immediately take three emergency steps: stop fertilizing > soak the pot in clean water > repot with new soil, especially paying attention to the use of a loose matrix containing perlite.
Two: Key Points of Temperature Regulation
Chain Reaction of Low Temperature Freezing Injury
Environments below 15°C in winter can easily cause root dormancy, leading to the interruption of water transport. In addition to using the bagging insulation method, you can also use an electric heating seedling mat to maintain the potting soil temperature within the range of 18-22°C. Remember to uncover the film for ventilation for 2 hours daily to avoid high humidity causing root rot.
Three: Advanced Techniques for Light Management
North-South Differences in Light Intensity
In the north, it is necessary to ensure 4 hours of direct sunlight per day during autumn and winter, while in the south, shade nets should be used to filter 50% of the light during summer. Observe the morphological changes of the leaves: leaf yellowing indicates insufficient light, and leaf burn spots require immediate adjustment of the placement position.
Four: System Solution for Humidity Balance
New Ideas for Creating a Microenvironment
In addition to the conventional method of foliar spraying, it is recommended to use a smart humidifier to maintain 60%-70% air humidity. Combined with the pebble water tray evaporation method, a stable humidity buffer layer can be formed around the pot. Pay attention to avoid leaf积水 at night to prevent the growth of (T-J) pathogens.
By precisely controlling the four key factors of water, fertilizer, light, and temperature, combined with regular inspection and prevention mechanisms, not only can the issue of black new leaves be solved, but the plant's resistance can also be comprehensively enhanced. It is recommended to clean the leaves monthly, use an EC pen to monitor soil conditions, and keep your Epipremnum aureum in the best growth state.