Aglaonema yellow leaves
An old lower leaf can yellow while the crown continues growing. Several yellow leaves with a cold, wet pot or soft cane need a different response.
Check the root zone and temperature
Remove collected runoff and feel moisture below the surface. Water once the upper mix dries, adjusting the interval as light and growth change. Keep the plant clear of cold glass and air-conditioning airflow.
If the newest leaves remain firm and yellowing stops, leave the roots undisturbed. Continued loss with soft stems or wilt in wet soil calls for a root check. Yellowing does not by itself show that fertilizer is missing.


