Notocactus magnificus or Parodia magnifica
(This plant comes in a 2 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.)
Cultivation and propagation: Parodia magnifica is an easy to grow ornamental species suited for any well drained soil in half or full sun.
Growth rate: It is a relatively rapidly growing and easily flowering species that will make clumps given the best conditions.
Exposure: This plant need full sun but tolerate moderate shade, and a plant that has been growing in shade should be slowly hardened off before placing it in full sun as the plant will be severely scorched if moved too suddenly from shade into sun.
Watering: No water should ever be allowed to stand around the roots. Keep almost completely dry in winter. However this spurge will tolerate dryness and can even thrives in poor, dry soils, but do better when grown in nutrient-rich soils with regular watering.
Hardiness: Tender. This cactus cannot tolerate any frost and can be difficult to get it to look its best without a good amount of heat. It can be grown outdoors in frost-free climates.
Rot: Rot it is only a minor problem with cacti if the plants are watered and aired correctly.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz