The soil will tell the difference between if it needs to water again and whether or not you have overwatered your plant. Provide the right soil to your Crested Ephorbia. While the plants can still benefit from these nutrients for some time, eventually the nutrients will run out and they will need to replace them. Although humidity is lower in dry and wet conditions, the soil will dry more quickly. I actually used the same soil as the pot to create these four portulacaria abra variegata. Then, I mixed it with the regular African elephant bush.

While some popular succulent species may look dangerous to come close to, some are known for their medicinal and remedial values that you might want around you. For example, the stem joints for both the cholla species and the prickly-pear cacti are very weak. The cacti group is so diverse that you're going to run into surprises (pleasant ones) now and then. The Devil's head Cactus is one of over 1700 surprising (species). You can make the story even more interesting by adding rare, exotic species. At the end of the cold season, sow the seeds in a well-draining mixture.