DIY Mermaid Succulent: How to Propagate and Arrange Succulents Yellow Violet Passion Flower Seeds for Planting Compact Growth, Heir Earthechoseeds White Succulent and Cactus Ceramic Trough Plant Pot Selections I need help. What is that yellow stuff growing on my donkey's tail (I think that's what it is) and how do I save it? The backstory: I bought it from a Full Sun Plants for Pots Garden Design