the white stuff could be "white fly".) I9 `4 X: |: |3 f% c2 Q I4 I
I had the same problem before. It because your plant is too wet. I showed the leaves twice a day for a whole week, then the white filies were all gone.1 r4 L# M$ X) E l: v, R( [
Hibiscus is a typical plant, show helps a lot.