Titanopsis calcarea

Moderate water when growing in late fall and early spring. 
Keep somewhat dry the rest of the time. 
Grow in porous soil with excellent drainage. 

Tolerates high heat and heavy frost (hardy to -10° C). 

Bright shade in summer and full sun in the other seasons.

Titanopsis calcarea

Needs moderate water when growing in late fall and early spring. Keep somewhat dry the rest of the time. Grow in porous soil with excellent drainage. Tolerates high heat and heavy frost (hardy to -10° C). Bright shade in summer and full sun in the other seasons.

Titanopsis hugo-schlechteri

Winter grower with most growth during cool/sunny periods (autumn and spring).  Occasional water in summer to keep from shriveling.  Bright shade in summer; full sun other seasons.