the white stuff could be "white fly".) Z ^& s7 W9 e: s6 @9 \
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. # ^/ _2 y8 s7 B$ E& r Y, `: O/ oHibiscus is a typical plant, show helps a lot.