Graptoveria succulent, also known as Fred Ives, is a colorful and beautiful plant that can be stressed to show different colors. The graptoveria "Fred Ives" plant is easy to care for and will not take much time. Q: How much sun exposure do succulents need? Learn all you need about the most common types of Cacti. Cacti are fun and unique plants to grow. Because only a handful of cactus fossils were found, little information is available about the early cacti. To determine the right amount of pumice and perlite, it is important to take into account the specific species you are growing.