If you have a large enough container, or if you plant the succulent in the ground, you might see the natural growth once the string of pearls has established. Regular watering will ensure they don't lose the necessary water for growth. Once the ground has dried out, watering can be resumed. Cacti can be found in hot, dry, sunny climates with some exceptions. Lithops are attracted to dry, warm weather. The most common insect that bothers Lithops is the spider mite. Spider mites leave white dots on the plants' surface.