Help! Last week I purchased a beautiful celosia plant in abodelook, and its leaves are already beginning to be sad. It is rainy on the ground but I read they do their best in well drained ground. Can a celosia plant be over watered? It is currently stored in a pot in my porch. Is it best to allow the celosia plant to dry up all the way and then soak it or should it have a humidity tray?