Succulent is turning purple black in the center? : r plantclinic This trailing succulent, commonly called Burro's Tail or Donkey's Tail (Sedum morganianum), is loved for its long cascading stems covered in plump blue green leaves. Native to Mexico and Honduras, it thrives in Heirloom Seeds from 49 CheapSeeds.net Cheap Seeds, LLC 30 Rare Seeds Savannah Hybrid Tea Rose Seeds#1038 Seeds, Herbal Seeds, Flower Seeds, No GMO , Mixed Seed, Chinese Seeds