Best Potting Soil for Indoor Plants: By Plant Type
Your plant started declining after the last repot. You were careful about watering. The soil looked like it drained fine. The problem was almost certainly the mix itself, and nothing on the bag would have told you. Here is the thing most care guides skip: bagged all-purpose potting soil was not designed for your apartment. It was designed for outdoor containers and garden center shelves. Outdoors, direct sun, wind, and day-to-night temperature swings help pots dry out between waterings. In your home, without those forces, that same mix can hold moisture at root level for twelve to fourteen days after you water. That gap between “drained when I watered” and “soil is actually dry” is where roots quietly rot and fungus gnats breed – even when you are doing everything else right. ...