how to cure a plague on plants
If you actually have a plague like powdery mildew, you can unpot the plants, buy new port and new dirt and repot the plants after washing the plants down. Place them far apart so if on recovers the leaves will not get reinfected by the other plant being too close.Source(s): juncogirl3 Â· 9 years ago.ut a piece of dark paper under the plants and try and knock off some of the spots.. If they move, get a miticide to get rid of them. Also white spots are the earmark of fleabettles. They hop from leaf to leaf and chew tiny holes in the leaves. These buggers can be caught with what is called sticky sheets.