This succulent is a mix of E. pulidonis with an unknown Echeveria species. Don't wait until it is too late to behead an awkwardly tall echeveria and replant it! According to the most popular myth about air plants, "Air plants can get all they need from the atmosphere." To thrive under any conditions, plants need nutrients. Unfortunately, domesticated plants of cacti are more likely to die than wild ones due to the fact that most gardeners do not provide their plants with optimal growing conditions. Overwatering is a common problem with Crassula Tetragona.