Tusco 32" Cosmo Tall Round Planter What is wrong with my Dieffenbachia? More and more yellow leaves appearing (I've cut some of them off already). I water it once per week. It used to sit on the window Lambert Orchid Potting Mix Aerated and draining substrate for orchids Ppinire.ca My modest collection of hanging plants, plus some other plant friends. : r IndoorGarden Well Draining Potting Mix (All purpose) PlantsCart Amazon.com: IWNTWY Self Watering Pots Set, 3 Pack 5 Inch for Indoor Plants, Clear Nursery Planter With Deep Reservoir for Spider Plant, Orchid, African Violet : Patio, Lawn & Garden