- Light: Bright light.
- Water: Water thoroughly when soil is completely dry to the touch.
- Soil: Plant in porous soil with quick drainage.
Notocactus uebelmannianus is a globular cactus with a shiny deep green skin like a tomato. Spines are appressed (re-curving toward body). One of the few cacti with rich royal purple flowers. Flowers to 3" in diameter.