Monstera Yellow Leaves: 7 Causes & Fixes

By Sophia Martinez · May 22, 2026

Why Is My Monstera Leaves Turning Yellow?

Yellow leaves on a Monstera deliciosa are one of the most common houseplant complaints. The good news is that yellowing is rarely fatal — it is your plant's way of signaling that something in its environment needs adjustment. Identifying the specific cause quickly is the key to stopping further damage.

1. Overwatering (Most Common Cause)

Overwatering accounts for roughly 70% of yellow Monstera leaves. When soil stays soggy, roots cannot breathe and begin to rot. The first symptom is yellowing on the lower, older leaves while the soil remains wet to the touch.

Fix: Stop watering immediately. Check roots for rot (brown, mushy roots need trimming). Repot in well-draining aroid mix with perlite and orchid bark. Water only when the top 2 inches of soil are dry.

2. Underwatering

If yellow leaves are accompanied by crispy brown edges and drooping stems, your Monstera is thirsty. Unlike overwatering, the soil will feel bone-dry and the pot unusually light.

Fix: Water thoroughly until water drains from the bottom. Establish a consistent watering schedule — typically every 7-10 days depending on your home's humidity and temperature.

3. Insufficient Light

Monsteras need bright, indirect light to maintain their vibrant green color. In low-light corners, chlorophyll production slows, and leaves gradually fade to yellow. This happens slowly over weeks, not overnight.

Fix: Move your Monstera closer to an east- or north-facing window. If natural light is limited, supplement with a full-spectrum grow light for 10-12 hours daily.

4. Nutrient Deficiency

Yellowing that starts between the veins while veins remain green (called interveinal chlorosis) often indicates iron or magnesium deficiency. This is common in plants that have been in the same pot for over a year without fertilizing.

Fix: Apply a balanced liquid houseplant fertilizer diluted to half strength during the growing season (spring and summer). Avoid fertilizing in winter when growth slows.

5. Temperature Stress

Monsteras are tropical plants that prefer temperatures between 65-85°F (18-29°C). Cold drafts from windows or air conditioning vents can cause sudden yellowing, especially on leaves closest to the cold source.

Fix: Keep your Monstera away from drafty windows, AC vents, and exterior doors during winter months.

6. Pest Infestation

Spider mites, mealybugs, and scale insects suck sap from leaves, causing yellow stippling or patchy yellow areas. Check the undersides of leaves and along stems with a magnifying glass.

Fix: Wipe leaves with neem oil solution (2 teaspoons per quart of water). Repeat weekly until pests are gone. Isolate the affected plant from others during treatment.

7. Natural Aging

If only the single oldest leaf is turning yellow while all other leaves look healthy, this is normal senescence. Monsteras naturally shed their oldest leaves as they produce new growth.

Fix: No action needed. Simply remove the yellow leaf once it is fully yellow to keep the plant looking tidy.

Quick Diagnosis Checklist

Wet soil + yellow lower leaves: Overwatering
Dry soil + crispy edges: Underwatering
Slow fade + dark room: Low light
Green veins + yellow tissue: Nutrient deficiency
Sudden yellowing near window: Cold draft
Yellow spots + visible bugs: Pests
One old leaf only: Natural aging

Conclusion

Yellow Monstera leaves are fixable in most cases. Start by checking your watering habits — that is the culprit the majority of the time. Adjust light, rule out pests, and your Monstera should return to producing those iconic split, glossy green leaves within a few weeks.