I don't know what happaned. I have a bed of Lillies, and Fatsia Japonica (shade plants) that have been growing beautifully for over a year. All of a sudden this week they have all fallen over, are turning brown and limp. It has gotten warmer, but they are still in full shade like always. I am not a green thumb, and was so proud of my longest living plants - they were so pretty. Is it too late to save them, any suggestions?