Prayer Plant Light Requirements: How Much Light Do Prayer Plants Need? Hey Rooted Impressed by water propagation these were all on the brink of death, but somehow have gotten healthier after I put them in water. Interesting how one of the main killers of succulents, Fun Fact The Mermaid Tail Cactus (Crested Euphorbia lactea) isn't a cactus at allit's a succulent! Its wavy, fan shaped growth looks just like a mermaid's tail, and no two are Portulacaria afra Succulent Rooftop Fairy Garden (Full Version) Garden Answer