An underwatered succulent can also feel squishy, but there are a few differences from an overwatered plant. However, it's safe to say that if your succulents are looking under the weather or appear to be dying, you might be underwatering them. It's recommended that dracaena owners only used freshwater when watering this species. Yellow traps are recommended because whiteflies tend to be attracted to the color, so it will give you a more accurate idea of how many insects you might be dealing with.