Aphids or mealybugs can be common pests in graptoveria. You will be able spot these pests if the root of the plant is examined closely. Sun-hardy species that have been accustomed to growing indoors are also susceptible to sunburn or sun damage when first moved outdoors so it is better to do so slowly to get the plant accustomed to the more intense heat. They may appear very similar at first glance but there are some key differences. Unfortunately, aloes cannot be propagated via leaf cutting, unlike other succulents.