One oldest leaf
It may be shed naturally when the rest of the plant is growing well.
Symptoms on popular plants
Yellow leaves on Monstera
With Monstera, note how many leaves yellow, in what order and how the potting mix behaves. One oldest leaf is different from rapid yellowing across the lower canopy.
Several leaves together
Combined with wet mix, this points toward root stress.
Pale fresh growth
This calls for a review of light, roots and nutrient availability.
More useful detail
How to narrow down the cause
What supports this cause
The order of yellowing and the condition of the root ball help separate aging from a watering problem.
What can look similar
Scorch tends to make a local dry patch, while pests more often cause stippling or silver marks.
Problem
What to do step by step
- 1
Compare moisture at the surface and deeper in the container.
- 2
Clear drainage and inspect roots if the mix smells sour or the stem softens.
- 3
After correction, watch the next leaf rather than expecting the old one to turn green.
Observation
What to watch next
- New leaves stay green.
- The pot becomes noticeably lighter before the next watering.
- Roots remain pale and firm.
Important
A yellow leaf will not become green again. Recovery means the change stops and fresh growth is healthy.
Florli
Related guides and features
Plant
Monstera care: watering, light and healthy leaves
Learn how to care for a Monstera, including when to water it, where to place it, how to support its growth and which leaf changes deserve attention.
Read the guide →
Problem
Yellow leaves on a plant
Yellow leaves do not always mean a plant needs fertilizer. Check which leaves are changing, soil moisture, drainage and what recently changed.
Read the guide →
Library
Houseplant problems
Identify common houseplant symptoms, pests and watering problems. Start with observation instead of treating by guesswork.
Read the guide →
Sources and further reading: NC State Extension — Monstera deliciosa
University of Maryland Extension — Watering Indoor Plants
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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.