Houseplants not only make your space look stylish, they are good for both your physical and mental health. That is... until you kill one (or three). There is nothing more heartbreaking and soul-destroying than watching your beautiful green friend die a slow death in front of your very eyes, despite all of your love and attention. Was it too much water? Not enough? Some sort of insect infestation? The reasons for planticide can seem endless! In...