Water Lettuce Problems: Causes & Quick Fixes
Quick answer
Water Lettuce is prone to 3 common issues - each link below is a plant-specific fix guide.

Water Lettuce problems
Use the guides below to diagnose and fix common issues on Water Lettuce. Each problem page explains why it happens on this species and what to do first.
Or use our problem diagnosis tool to narrow down symptoms.
Common problems on Water Lettuce
Crispy Leaves
MediumLikely cause: What are the symptoms of an underwatered Water lettuce? When Pistia stratiotes suffers from under-watering, it displays wilting leaves, browning or crispy edges, …
Quick fix: Confirm diagnosis on your Water Lettuce, then address the most likely care or pest factor described in current extension guidance.
Full fix guide →Slow Growth
LowLikely cause: Weak light, cold water, or nutrient imbalance in a low-tech setup
Quick fix: Stabilize temperature and use moderate aquarium lighting before adding fertilizer.
Full fix guide →Yellow Leaves
MediumLikely cause: Low nutrients, poor light, dirty water, or acclimation melt after moving tanks
Quick fix: Remove melting growth, improve water changes, and adjust light gradually.
Full fix guide →