Aloe castilloniae Blue Hybrid Crassulaceae Mature plants retain these great

Mature plants retain these great ribs

Mammillaria spinosissima  A nice upright species with straight orange-red spines

Under the soil is a narrow tuber

I have hardly any of this form

They often produce extra long central spines that give the plant a "messy hair" sort of appearance

Aloe castilloniae Blue Hybrid Crassulaceae Mature plants retain these greatAloe castilloniae hybrid A unique hybrid from an open pollinated cross between Aloe castilloniae and one of my own hybrid Aloe crosses. The leaves have a blueish purple hue but the the intensely colored red bumps and curved leaves leave no doubt as to its castilloniae ancestry. Forms clumps in time. Takes similar care to other small Aloe species and hybrids. Protect from frost. You will a receive the plant shown in the last image. It is shown growing