Echinopsis subdenudata

Echinopsis subdenudata, commonly known as the domino cactus, is a globular cactus species featuring a dark green body covered in prominent tubercles. It is distinguished by having very short, harmless spines that give it a nearly spineless, fuzzy appearance. This makes it an incredibly popular, safe houseplant for indoor gardeners.

The Echinopsis subdenudata remains relatively small, typically growing to a height and diameter of about 3 to 5 inches as a houseplant. Its compact, spherical shape makes it perfect for windowsills and small succulent arrangements. Under optimal conditions, it may eventually produce offsets, forming small clusters.

The domino cactus is famous for producing massive, incredibly large white flowers that bloom during the night or early morning. These spectacular, highly fragrant blooms can reach up to 8 inches in diameter, dwarfing the small cactus body itself. The flowers, however, typically only last for a single day.

The domino cactus is native to the warm, arid regions of Bolivia and Argentina in South America. It naturally thrives in well-draining, rocky soils and receives plenty of bright sunlight. When grown indoors, it requires specialized cactus soil to mimic these natural, fast-draining conditions.