Coryphantha micromeris (This plant comes in a 3.5 inch pot. All of our plants are grown under the same conditions, although not all the plants are the same. You will receive a similar plant in size and shape to the ones in the pictures. Our plants are hand-picked and carefully selected to bring you the best quality possible. Please allow us up to 3 business days to process your order. If you wish to receive your order on a specific date, or have special instructions, please add a note at the checkout . The plant is shipped in its pot to prevent any damage to the roots). This odd plant is known in cultivation under quite a lot of different names (among them, "spiralis", "varispiralis", "spiraliforme", "mostruosa", "monstrose", "monstrous" ) It is a variable cultivar of which we can distinguish at least four basic growing forms. This species presents no problems in cultivation and will do well in a sunny spot in a cactus house.Frost tolerance: no less than -0°C / 32 FMinimum avg. temperature: Sun exposure: Full sunOrigin: Garden origin (Nursery produced cultivar)Growth habits: Grow them in rich, porous, sandy soil, and let their soil dry out between waterings. Watering needs: After repotting, do not water for a week or more Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz