This is a Tropical plant, and in colder climates is treated as a Houseplant. They come in many varieties, some of which flower,- there are hundreds of them! They cannot survive in temperatures below 10c/55f. The leaves are spiky and fleshy. This is a small, compact variety forming small rosettes approx. 3-5 cms. in diameter, with lanceolate dark green leaves up to 4 cms. long, with a terminal spine, soft white marginal hairy spines, and small white pustules on the surface of the leaves,