My spider plant has this yellow mold growing in the soil, first one I noticed in the house. I use rainwater most weeks we get a downpour, would that be the culprit? : This succulent grows like a tiny necklace. Meet Crassula perforata, also called String of Buttons or Necklace Vine. Its little stacked leaves wrap around the stem in pairs, making it look 9 Types Of Pink Succulents A Z Animals Rosette Succulent Pack (6 12 Plants, 2" Pots)