Epipremnum aureum, a common guest in indoor decoration, is beloved by many for its unique air purification ability and easy maintenance. Many enthusiasts often encounter a problem during maintenance: overwatering, which leads to rust-like spots on the leaves. This not only affects the appearance of Epipremnum aureum but may also threaten its growth. This article will delve into the reasons for the rusty leaves of Epipremnum aureum and provide solutions to help you care for it easily.
Reasons for the Rusty Leaves of Epipremnum aureum1. Overwatering: Epipremnum aureum enjoys a humid environment, but this doesn't mean more water is better. Overwatering can cause root hypoxia, leading to root rot, which affects the absorption of water and nutrients and results in rusty spots on the leaves.
2. Poor soil drainage: Poor soil drainage can cause water to accumulate in the soil, forming a water film that hinders root respiration and leads to leaf rust.
3. Low air humidity: Epipremnum aureum thrives in humidity. If the air humidity is low, the plant will increase its watering frequency to compensate for moisture, which can lead to leaf rust.
4. Improper use of foliar fertilizer: Excessive application of foliar fertilizer, especially those high in nitrogen, can cause spots on the leaves.
Solutions to the Rusty Leaves of Epipremnum aureum1. Control watering: Master the correct watering method to avoid overwatering. Generally, keeping the soil slightly moist is sufficient. During high summer temperatures, you can slightly increase the watering frequency; during low winter temperatures, you should reduce it.
2. Improve soil drainage: Choose well-draining soil such as peat or perlite, and add an appropriate amount of sand or perlite to the soil to improve its drainage.
3. Increase air humidity: Spray water around the Epipremnum aureum or use a humidifier to increase air humidity.
4. Apply foliar fertilizer appropriately: When applying foliar fertilizer, follow the principle of "frequent application of thin fertilizer" to avoid excessive use.
5. Pay attention to lighting: Epipremnum aureum prefers diffused light and should be protected from direct sunlight to prevent spot formation on the leaves.
The reasons for the rusty leaves of Epipremnum aureum are multifaceted, but they are mainly related to overwatering. Understanding the plant's growth habits and mastering the correct maintenance methods are key to ensuring its healthy growth. I hope this article can provide you with assistance, allowing your Epipremnum aureum to thrive.
References:[1] Zhang Xiaohong, Yang Fan. Home Indoor Plant Maintenance Techniques [J]. Plant Magazine, 2018 (2): 32-33.
[2] Li Ming, Liu Qiang. Home Green Plant Maintenance Tips [J]. Modern Horticulture, 2019 (5): 28-29.
[3] Zhao Lei, Wang Fang. Home Green Plant Maintenance Manual [M]. Beijing: China Agricultural Publishing House, 2017: 123-125.