I tried planting Begonia's this year and my poor plants are not doing well at all. They look like they may have some kind of fungus maybe? I was hoping someone could help as I am very new to gardening and have zero experience with begonia's. These are the type with wax leaves and little pink flowers. They are exposed to full sun and they are waterered every other day. For the last week temperatures have been in the high 90s. (just a little background.