More tips for propagating succulent plants You can also control the size of your succulents. We'll talk more about that in a moment. You might also consider biological controls to control whitefly problems. If you suspect an infestation, identify it immediately. If you want your plants to stay small, minimize watering to a bare minimum; or only spritz or spray to prevent the plants from drying out. Spray the plants frequently at first to avoid disturbing the cuttings. Your Vicks Plant should be acclimatized slowly over several weeks, especially if it was purchased from a nursery.