Adromischus triflorus 'Calico Hearts' inventory-hero-monitored They can be kept for

They can be kept for years in a 7x7 cm pot

coarse river sand (or pumice) and loam and can remain in the same position for many years

Flowering on this species can happen at other times but most often in mid-winter to early spring (January-March) with an unbranched to fewbranched up to 3 foot (90 cm) inflorescence of erect long-tapering terminal spikes of flowers that are orange in bud and turn yellow just prior to opening from the bottom of the spike upwards

or monstrous whisker cactus

Planet Desert has specialized  succulent  potting soil

Adromischus triflorus 'Calico Hearts' inventory-hero-monitored They can be kept forAdromischus triflorus is an exquisite dwarf perennial succulent plant forming a clusters with decumbent stems to 20 cm long. The shape and size of the leaves of this species are very variable and a number of local forms can be recognized. Often the leaves have reddish speckles that tend to become more intense in bright light; however, sometimes the leaves are devoid of spots. Flowers are greenish on the outside and white or pink inside the petals.