Why Choose Self-Watering Pot From Posie Pot When an indoor plant starts wilting, most owners blame their own lack of skill. However, the biological truth is simple: 80% of houseplant deaths are caused by incorrect watering.  Environmental factors like sunlight and soil quality are "secondary factors"—if these are off, your plant gets "injured" (yellow leaves), and you can fix it by moving the pot. But watering is the "primary factor." Get it wrong—especially with overwatering