The EASIEST grow tower DIY! Handmade 5x5x8'' Watertight Glass Terrarium With Lid, Tin Sealed Planter, for Small Water Pond, Moss Landscapes (plants Not Included) Etsy The Dieffenbachia has become a staple in my house. The big one is filling up a huge window, and I have thoughts for other spaces that would perfectly fit a dieffenbachia. Making up some props for some Hello! This is my aloe vera. It started developing these black spots a while back. They seems to be spreading. I hardly water it. And when I do only a little. The Expert Gardener Potting Mix for Potted Plants, 8 qt.