Leggy succulents Etiolation How to Fix a Stretched Succulent If you ever wondered rubber really does grow on trees ZZ Plant Toxicity: Are ZZ Plants Toxic to Cats, Dogs, Humans Rosary pea (Abrus precatorius) and other seeds. Rosary peas (black red) are among the most colorful seeds, they are used for beads and percussion instruments but are highly toxic. #22 Anacampaseros Green Purple Firestick plant, pencil cactus, Euphorbia tirucalli, Firestick cactus, Desert Noir