Why Are My Monstera Leaves Getting Yellow Spots and How to Fix It
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Yellow spots on houseplant leaves are one of the most common issues plant lovers face, often causing immediate panic. Since plants can’t talk, they communicate their distress by changing the color of their foliage.
Why is your beloved Monstera deliciosa or Snake Plant leaf turning yellow? Here are the top 5 causes diagnosed by our AI botanical assistant Kök:
1. Overwatering (The Most Common Mistake)
If your plant’s leaves are turning yellow and feeling soft or limp, it is almost always due to overwatering. When the soil remains constantly wet, the roots cannot breathe and begin to rot.
- Solution: Before watering, stick your finger 2-3 cm into the soil to check moisture. Never water unless the soil feels dry.
2. Lack of Sufficient Light
If your plant doesn’t get enough indirect sunlight, it cannot perform photosynthesis properly. Chlorophyll production drops, causing the leaves to fade and turn pale yellow.
- Solution: Move your plant to a brighter spot with plenty of filtered, indirect light.
3. Nutrient Deficiency (Nitrogen)
If older, lower leaves are turning yellow while new growth is stunted and unusually small, your soil is likely depleted of nitrogen.
- Solution: Feed your plant with organic liquid fertilizer during the spring and summer growing seasons.
4. Temperature Drafts
Houseplants are sensitive to sudden temperature fluctuations. Placements near air conditioners, heating vents, or drafty windows cause stress, leading to yellowing and leaf drop.
- Solution: Keep your plants in draft-free locations with stable room temperatures (18-24°C).
5. Rootbound Stagnation
When roots crawl out of the bottom drainage holes, it means the plant has outgrown its home. Compressed roots cannot absorb water or nutrients, leading to yellowing foliage.
- Solution: Repot your plant into a container that is 1-2 sizes larger with adequate drainage holes.
Take a Photo and Diagnose Instantly with Kök!
If you can’t figure out the exact cause of your plant’s yellow spots, open the Kök app and take a picture. Kök’s advanced AI diagnosis model checks the spot pattern and yellowing style to deliver a customized treatment plan. Download Kök App Now and rescue your green friends!
