(This plant comes in a 3.5" 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).
Gymnocalycium Andreae is a low growing and prickly cactus that barely rises from the ground level. It's usually solitary in its habitat but often branches basally in cultivation and forms clusters. This species is different from other gymnocalycium because of the colors of its flowers. When it blooms, it generates bright yellow flowers.
Recommended temperature zone: USDA: 9b-11
Minimum avg. temperature: 50°F (10°C)
Sun exposure: Light shade
Origin: Argentina (Córdoba)
Watering needs: Summer grower, water regularly in summer, keep rather dry in winter
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz