Why Are My Monstera Leaves Turning Yellow?

Find the cause first

A monstera turning yellow is a symptom, not a diagnosis. The pattern tells you the cause: if the oldest, lowest leaves yellow slowly one at a time, it is usually natural aging. If several leaves yellow at once, including new growth, the plant is under active stress.

Check the soil before anything else. Soggy soil several days after watering means overwatering; bone-dry soil with shriveled roots means the opposite.

The four usual suspects

• Overwatering — the #1 cause. Yellow leaves plus soft, brown stems and constantly wet soil. Let the top 2 inches dry out before watering again and make sure the pot drains freely.
• Low light — a monstera in a dark corner cannot use the water it gets. Move it within a few feet of a bright window, out of direct afternoon sun.
• Rootbound roots — roots circling out of the drainage hole starve the plant. Repot one size up in spring with a chunky, well-draining mix.
• Nutrient deficiency — if the plant has not been fed in months, pale new leaves with yellow veins can signal missing nutrients. Feed a balanced houseplant fertilizer at half strength during the growing season.

How to recover

Trim fully yellow leaves — they will not recover and drain energy. Fix the underlying cause, then be patient: a monstera grows on its own schedule and new healthy leaves are the true confirmation that you fixed the problem.

If the soil smells swampy or roots are brown and mushy, root rot has set in: unpot, trim every rotten root, and repot into fresh dry mix. Water lightly after a week.

Rule out pests before you treat

Yellowing with fine silk webbing on the leaf undersides and a dusty, stippled look means spider mites, not a watering problem — wipe the undersides with a damp cloth and treat with insecticidal soap weekly for three weeks.

Yellow patches with tiny black or green insects inside the newest rolled-up leaves point to thrips or aphids instead. A quick check of the youngest leaf under a bright light settles it: no webbing, no insects and no stippling means the cause is care, not pests — and a pesticide would only add stress.

A watering rhythm that prevents yellowing

Prevention is mostly rhythm: water deeply, then let the top 2 inches dry before the next watering. In practice that means checking the soil with a finger twice a week instead of watering on a fixed day — a monstera in a bright room in summer may need water weekly, while the same plant in a dim corner in winter may need it monthly.

Two setup details do the rest: a pot with a drainage hole raised on feet or pebbles so the saucer never holds standing water, and a chunky aerated mix — roughly half potting soil, a quarter orchid bark, a quarter perlite — that lets air reach the roots. Repot every 1 to 2 years in spring before the mix collapses, and yellowing from stress rarely comes back.

How to fix yellow monstera leaves

1. 1Check the soil: if the top 2 inches stay soggy days after watering, overwatering is the likely cause — let it dry out before watering again.
2. 2Move the plant within a few feet of a bright window if it sits in a dark corner, out of direct afternoon sun.
3. 3Look for roots circling out of the drainage hole — a rootbound monstera needs repotting one size up in a chunky, well-draining mix.
4. 4Feed a balanced houseplant fertilizer at half strength during the growing season if the plant has not been fed in months.
5. 5Trim leaves that are more than half yellow at the base of the stem with clean scissors — they will not recover.
6. 6If the soil smells swampy or roots are brown and mushy, unpot, trim every rotten root, and repot into fresh dry mix.

Frequently asked questions