Use this solution to treat mealybugs. Treatment of mealybugs: Because they are difficult to eliminate, it is necessary to use a stronger solvent to treat them. Although they are fairly easy to eliminate, they are usually recurring. Hanging baskets are not suitable for all succulents. 3. These succulents can be found only in dry deserts. These succulents are commonly found beneath (or near) plants to hide leaves. However, gently shaking the leaves will eventually get them to come. Both scenarios can result in leaf falling, but the under-watered will produce flat leaves and soft, mushy ones.