Why Is My Monstera Turning Yellow? 8 Common Causes

Why Is My Monstera Turning Yellow? Here's What's Going On

If you've found yourself staring at your beloved Monstera deliciosa and asking "why is my Monstera turning yellow?" — you're definitely not alone. Yellow leaves are one of the most searched Monstera problems, and honestly, they can feel a little alarming at first. But take a deep breath. In most cases, yellowing leaves are your plant's way of sending you a message, and once you decode it, the fix is usually straightforward.

Let's walk through the eight most common reasons your Monstera's leaves are turning yellow, and more importantly, what you can do about each one.

1. Overwatering (The Most Common Culprit)

If your Monstera is turning yellow, overwatering is the number one suspect. Monsteras like their soil to dry out partially between waterings, and when they sit in consistently soggy soil, their roots can't breathe. This leads to root rot, which starves the plant of nutrients — and yellow leaves are the first visible sign.

What to do: Stick your finger about two inches into the soil. If it still feels damp, wait a few more days before watering. Make sure your pot has pots with drainage holes, and always empty the saucer after watering so your plant isn't sitting in standing water.

2. Underwatering

On the flip side, an underwatered Monstera can also develop yellow leaves, often accompanied by drooping or crispy brown edges. If the soil is bone dry and pulling away from the sides of the pot, your plant is likely thirsty.

What to do: Give your Monstera a thorough watering until water drains freely from the bottom. Going forward, aim to water when the top two inches of soil are dry — typically every one to two weeks depending on your home's conditions.

3. Too Much Direct Sunlight

Monsteras are native to the tropical forest understory, which means they love bright, indirect light — not harsh, direct sun. If your plant is sitting in a sunny south or west-facing window without any filtering, those yellow leaves might actually be sunscorch in disguise.

What to do: Move your Monstera a few feet back from the window or hang a sheer curtain to diffuse the light. Yellowing from sun exposure often looks washed out or bleached rather than uniformly yellow.

4. Not Enough Light

Too little light is just as problematic. In low-light conditions, your Monstera can't photosynthesize efficiently, which causes older leaves — usually the lower ones — to yellow and drop as the plant conserves energy.

What to do: Move your plant to a brighter spot with indirect light. A few feet from an east or north-facing window is often ideal. If natural light is limited in your space, a grow light can work wonders.

5. Nutrient Deficiency

Yellow leaves can also signal that your Monstera isn't getting the nutrients it needs. Nitrogen deficiency is the most common, typically causing older, lower leaves to turn yellow first. If the yellowing appears between the leaf veins while the veins themselves stay green, you might be looking at an iron or magnesium deficiency instead.

What to do: Feed your Monstera with a balanced, water-soluble balanced liquid fertilizer (like a 20-20-20 formula) once a month during spring and summer. Avoid fertilizing in fall and winter when growth naturally slows. Always fertilize on moist soil to prevent root burn.

6. Root Bound Pot

When a Monstera outgrows its pot, its roots have nowhere to go. A severely root-bound plant struggles to absorb water and nutrients efficiently, which — you guessed it — can lead to yellow leaves.

What to do: Check if roots are circling the bottom of the pot or poking out of the drainage holes. If so, it's time to repot into a container that's one to two inches larger in diameter. This is also a great time to refresh the quality potting mix. Check out our guide on when and how to repot your Monstera for a step-by-step walkthrough.

7. Pests

Sap-sucking pests like spider mites, mealybugs, and scale insects can cause yellow spotting or general yellowing as they drain your plant's vitality. Check the undersides of leaves and along the stems — this is where pests like to hide.

Spider mites: Look for fine webbing and tiny dots on leaves
Mealybugs: Appear as white, cottony clusters near leaf joints
Scale: Small brown bumps on stems that don't wipe off easily

What to do: Isolate the affected plant immediately to prevent spreading. Wipe leaves down with a damp cloth and treat with insecticidal soap or neem oil, repeating every five to seven days for three weeks. For more help, visit our complete guide to common Monstera pests.

8. Natural Aging

Sometimes, yellowing leaves are completely normal. As your Monstera grows, it naturally sheds its oldest, lowest leaves. If you're only seeing one or two yellow leaves at the very base of the plant and the rest looks healthy, this is likely just your plant doing its thing.

What to do: Simply trim off the yellow leaf with clean scissors or pruning shears. No action needed beyond that — your Monstera is thriving!

How to Diagnose Your Monstera's Yellow Leaves

Not sure which of these causes applies to your plant? Work through this simple checklist:

Check the soil moisture first — is it soggy, dry, or just right?
Look at where the yellowing is happening — lower leaves, upper leaves, or all over?
Assess your light situation — bright and indirect, or dim and far from windows?
Inspect for pests on the undersides of leaves
Think about your fertilizing routine — when did you last feed it?
Check if the plant is rootbound

By working through these questions systematically, you'll usually be able to pinpoint the problem quickly.

Preventing Yellow Leaves in the Future

The best way to keep your Monstera looking lush and green is to nail down a consistent care routine. Here's a quick summary of what your plant loves:

Water: Every 1–2 weeks, when the top 2 inches of soil are dry
Light: Bright, indirect light — near a window but out of direct sun
Humidity: 50–60% is ideal; mist regularly or use a humidifier
Fertilizer: Monthly during the growing season (spring and summer)
Repotting: Every 1–2 years, or when rootbound

If you're just getting started with this incredible plant, our complete Monstera care guide covers everything you need to know from watering schedules to the best soil mixes. And if you're dealing with other leaf issues alongside the yellowing, our article on Monstera leaf problems and what they mean is a great next read.

Final Thoughts

Yellow Monstera leaves can look scary, but they're almost always a solvable problem. The key is to observe your plant closely, check the basics first, and make one change at a time so you can track what's working. With a little patience and the right adjustments, your Monstera will be back to producing those gorgeous, dramatic leaves in no time.

Got a stubborn case of Monstera yellowing that doesn't fit any of these descriptions? Drop your question in the comments below — we love helping fellow plant parents troubleshoot!

Frequently Asked Questions

Why is my Monstera turning yellow?

Yellow Monstera leaves are most commonly caused by overwatering, underwatering, improper light, or nutrient deficiency. Identifying which issue applies to your plant is usually straightforward once you check the soil moisture and light conditions.

How do I fix an overwatered Monstera?

Let the soil dry out by waiting to water until the top two inches feel dry, ensure your pot has drainage holes, and empty the saucer after watering so the plant doesn't sit in standing water.

How often should I water my Monstera?

Water your Monstera every one to two weeks, or whenever the top two inches of soil are dry. Always water thoroughly until it drains freely from the bottom of the pot.

What kind of light does a Monstera need?

Monsteras thrive in bright, indirect light and should be kept away from harsh direct sun. A few feet from an east or north-facing window, or behind a sheer curtain on a south or west-facing window, is ideal.

Why are my Monstera's lower leaves turning yellow?

Yellowing of older, lower leaves is typically a sign of low light or nitrogen deficiency, as the plant conserves energy by dropping leaves it can no longer efficiently support.