Although keep in mind that you should never spray water on the leaves. Mealybugs enjoy warm and moist climates so they are common indoors and in greenhouses, but they can also be found on your succulents outside. To prevent mealybugs from attacking your succulents, you should always check over and monitor your plants. I use 3 tablespoons in a 6-inch pot and so on. Thanks for all you info, I’m totally addicted to succulents!! You may already know that worm castings are an excellent fertilizer for your succulents. This is the best way to get rid of mealy bugs if you are growing them outdoors. Even better, I will show you how to prevent them! For indoor succulents or those you are overwintering indoors, you might want to consider Hello Succulents spray – an odor-free worm casting tea spray. A Mealybug is a scale insect, found all over the U.S. and infesting a large variety of plants. {Please note, some links in this post may be affiliate links to sites that pay me a small commission if you click on the link and make a purchase. Worm castings are rich in chitinase, an enzyme that breaks down the exoskeletons of insects. You must kill mealybugs on succulents the first time you notice them. spray the plant at weekly once with alcohol or neem oil or insecticide spray to prevent mealy bugs. Wash them first, and you would need to ask neighbors for their’s as well to get enough, but crushed eggshells are great for a variety of garden uses. Your shrubs, veggies, fruit trees and ornamentals will appreciate the worm castings every bit as much as your succulents will! I’ll look forward to good news! Alliteration aside, scale is a nasty pest because it spreads quick and is relatively difficult to remove. I mix the dried worm castings in with my succulent soil. It is a wonderful, organic fertilizer but its also rich in chitinase, an enzyme that dissolves the exoskeleton of insects! And an inorganic top dressing looks great in addition to providing excellent hygiene and preventing a few insects from becoming an infestation. When you have fewer succulents to take care of needles and combs come as a handy technique to remove mealy bugs. We can also give the plant a good wash by giving it a blast of strong water and keep repeating the treatment until you are sure the mealy bugs are gone. In case of initial attack of mealybugs one round of spraying will eliminate them. This mealy bugs work like lice in human beings. Do so in the early morning, or in the evening after the sun has passed. While 70% is most often recommended, the 91% is just as effective. But any help on the rot issue is a boon for succulent growers. This insecticidal soap can be used up to the day of harvest.