(This plant comes in a 2.5 inch pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. The plant is shipped in its pot to prevent any damage to the roots).
NOTE (THIS PLANTS ARE SEEDLINGS ABOUT 1/4 INCH IN DIAMETER)
Flower: The cluster of flowers is fly pollinated and smells like rotten meat. The flowers are dark red.
Cultivation: Relatively easy to grow.
Frost tolerance: Winter temperatures must be kept over 10°C.
Sun exposure: It has a great advantage if grown in very strong light but sheltered from full sun.
Cultural practices: Provide very good ventilation. It grows quite easily and fast on its own roots. It is not difficult as commonly supposed, but inaccuracies are fatal. If rot starts, the plant will almost inevitably die. This plant is a candidate for under-potting, as long as you keep it watered.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz