Eva from Miami, Fl writes
I have plumeria plants with rust and they are about a foot from my hibiscus hedges. It will be very difficult to spray the plumeria without falling on the hibiscus.
Fertilome Triple Action with 70% Neem Oil could harm Hibiscus blossoms because of its sensitive tissues. It would be recommended to apply at the cooler points of the day. Also, on a day that is less windy to help prevent drifting on the Hibiscus.
Answer last updated on: 04/05/2016