This article will provide 7 golden guidelines for caring for sedum. They will thrive in sandy or rocky soils. This allows them to thrive and grow well. Cacti are not like other plants that need moisture. They require a waiting period before watering. This is to allow the plant time to use all the water it has. Cacti lovers will be aware that these desert plants are extremely resistant to harsh environments. You can still keep the cactus thriving if you remove a portion of a mature flowering cactus. The stem should have a green color without any signs of discoloration.