Those blooms are small, measuring under 1 inch, but they're usually abundant. Considered a miniature cactus at 2 to 3 inches ...

You can use small pockets of gravel as mini beds for cacti or succulents in modern geometric designs combined with pavers, or ...

Cactus Cream looks like another mini-cactus growing out of larger Cacti plants in these areas, it's easy to miss them because they do look like they're part of the plant. Image credit: Eurogamer ...