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Disease Diagnosis

Why Are My Monstera Leaves Turning Yellow? (Complete Cure Guide)

Dr. Elena Vance, Senior Botanist August 18, 2026 4 min read
Why Are My Monstera Leaves Turning Yellow? (Complete Cure Guide)

Monstera Deliciosa is one of the most beloved indoor houseplants in the world. However, discovering yellowing foliage can cause immediate panic for any plant parent. The good news is that yellow leaves are simply a communication signal from your plant, and when addressed early, your Monstera can make a full recovery.

The #1 cause of yellowing leaves is moisture stress—specifically overwatering leading to early root suffocation. When soil remains soggy for extended periods, roots are deprived of oxygen, preventing the transport of vital nutrients to the leaf tips.

To fix this, check the top 2 inches of soil with your finger or a wooden chopstick. If it feels wet, allow the pot to completely dry out before watering again. Ensure your planter has drainage holes at the base so excess water escapes freely.

Another common culprit is insufficient indirect sunlight or sudden pest infestations like spider mites or thrips. Inspect the underside of leaves for tiny webbing or speckling.

Tip: You can use Plantus to snap a photo of your yellow leaf to verify whether it is fungal leaf spot, thrips damage, or simple water imbalance in under 10 seconds!

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