Chinese Evergreen (Aglaonema) — common problems
Find the symptom you're seeing for the likely cause and fix.
Likely cause: Overwatering or poor drainage.
Fix: Adjust watering schedule; ensure soil drains well; use room-temperature water.
Likely cause: Sensitive to temperatures below 50°F.
Fix: Keep above 55°F minimum; ideally 68-80°F.
Likely cause: Excessive fertilizer.
Fix: Use fertilizer sparingly and follow label directions.
Likely cause: Poor-draining soil or overwatering.
Fix: Use well-draining mix; let soil surface dry between waterings.
Likely cause: High humidity.
Fix: Improve air circulation and reduce moisture.
Source: extension care guide. Symptoms often overlap — match the conditions (light, watering, humidity) to your situation.
Other houseplants
General care guidance from university extension sources — not a substitute for diagnosing your specific plant and conditions. How this works.