My azalea looks sick. Leaves, even new ones, are getting brownish spots and droopy. I planted it a month ago in a pot and roots still didn't spread out. I think they look mushy. When I took azalea out of the pot, roots are still the shape they used to be in a shop's pot, before I replanted it. Also, I find sometimes small white balls in the roots, which after squeezing release some watery substance. What to do? Help.