I hope my question isn't a silly one. I am very new at this. My soil dries out very quickly even after watering for long periods of time. I have decided to mulch but don't know how to go about it. Do I water first and then mulch, do I mulch first and then water. Please help as I am trying to save my rhododendron. It is all wilted and looks like it is going to die soon. Thanks in advance for any advice I may receive.