Symptoms on popular plants

Brown spots on Monstera leaves

On Monstera, separate dry tips, bleached scorch and dark water-soaked lesions. Each pattern points toward a different part of the growing setup.

Brown spots on Monstera leaves

Dry sun-facing damage

It often stays on the exposed side and stops after the plant is moved back.

Wet or soft tissue

This may accompany waterlogging, cold injury or infection.

Brown tips

These more often relate to uneven moisture, salts or very dry air.

More useful detail

How to narrow down the cause

What supports this cause

Texture and direction of exposure are more useful than the shade of brown alone.

What can look similar

A leaf that rubbed while opening leaves a stable scar with no fresh damage elsewhere.

Problem

What to do step by step

  1. 1

    Take a dated photograph and inspect both sides of the leaf.

  2. 2

    Check the mix, drainage and contact with cold or hot glass.

  3. 3

    Change one condition and compare fresh growth after enough time.

Observation

What to watch next

  • The spots stop expanding.
  • New leaves open without lesions.
  • Stems and roots remain firm.
Important

Avoid wetting foliage further when lesions are damp and expanding. Correct the environment and hygiene first.

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Prepared by Florli. Reviewed October 15, 2026. This is general guidance. Sources are listed with each guide, and every decision should reflect the species, location, weather and the plant’s current condition. How Florli creates its guides.