Why are the flower leaves yellow?
In the past 10 days, among the hot topics about plant care, "yellowing of flower leaves" has become the focus of many flower lovers. Whether it's a houseplant or an outdoor plant, yellowing leaves can be a sign of plant health problems. This article will combine recent hot content on the Internet to analyze the causes and solutions of yellowing leaves, and provide structured data for reference.
1. Common causes of yellowing leaves

According to recent gardening forums and expert discussions, the main causes of yellowing leaves can be divided into the following categories:
| Reason type | Specific performance | Proportion (recent discussion hotness) |
|---|---|---|
| Improper watering | Too dry or too wet causes root problems | 35% |
| Lighting problem | Insufficient light or exposure to sunlight | 25% |
| nutritional deficiencies | Lack of nitrogen, iron, magnesium and other elements | 20% |
| pests and diseases | Infestations such as red spider mites and aphids | 15% |
| environmental changes | Sudden temperature changes, repotting stress | 5% |
2. Analysis of recent hot cases
1.Green radish with large area of yellow leaves: Multiple social platform users reported that the pothos leaves in air-conditioned rooms turned yellow within a week. Experts point out that this is a typical "air conditioning disease" - caused by low temperature and dryness.
2.New rose leaves turn yellow: Gardening blogger "Flowers Bloom in Four Seasons" mentioned in his video that the recent high temperatures have caused iron-deficient yellowing of roses, and received over 100,000 likes.
3.Yellow leaves at the bottom of succulents: Xiaohongshu hot topics show that the problem of succulent yellow leaves during the rainy season increased by 40% year-on-year, mainly related to water accumulation and rotten roots.
3. Comparison of solutions
| Question type | solution | Effective time |
|---|---|---|
| Yellow leaves due to water shortage | Soaking pot method to replenish water + trim yellow leaves | 3-5 days |
| Deficient yellow leaves | Spray chelated iron/ferrous sulfate | 7-10 days |
| Light yellow leaves | Adjust the placement and gradually adapt to it | 10-15 days |
| Yellow leaves caused by pests and diseases | Abamectin + carbendazim comprehensive treatment | 5-7 days |
4. Suggestions on preventive measures
1.Create a watering log: Record each watering time to avoid watering based on feeling.
2.Rotate flower pots regularly: Ensure uniform illumination in all parts and prevent partial crown yellow leaves.
3.Use slow release fertilizer: The recently popular Aolv 318s slow-release fertilizer can maintain nutrient supply for 3 months.
4.Pay attention to seasonal changes: When the temperature difference between spring and autumn is large, amino acid foliar fertilizer should be supplemented in advance.
5. Latest opinions of experts
Professor Li from the Department of Plant Nutrition of China Agricultural University pointed out in a recent live broadcast: "60% of the problem of yellow leaves in summer is related to the wrong way of fertilizing. It is recommended to adopt the principle of 'fertilizing thinly and applying frequently', diluting the standard dosage 2-3 times and applying once a week."
Douyin's popular gardening V "Plant Doctor" emphasized: "If you find yellow leaves, you should first check the back of the leaves. During the recent spider mite outbreak, 80% of the cases were initially misjudged as lack of water."
Conclusion
Yellowing leaves are a distress signal sent by plants and need to be analyzed comprehensively based on specific manifestations. The recent hot and rainy weather has made plant maintenance more difficult. It is recommended that flower lovers pay more attention to weather changes and take preventive measures in advance. Collect the comparison table in this article to help you quickly diagnose and solve yellow leaf problems.
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