Old Lady Cactus: Mammillaria Care Guide
Mammillaria hahniana
Old lady cactus care (Mammillaria hahniana): woolly globe cactus with a crown of pink flowers. Full sun, cactus soil, very little water.
Characteristics
The old lady cactus (Mammillaria hahniana) is a small globe cactus covered in white hairs and spines that produces a crown of little pink flowers in spring. It wants full sun, a gritty cactus mix and sparing watering. It grows slowly, forms clusters and tolerates heat and brief cold spells if kept dry.
Flowering season
Practical tips
Water needs: bassa — always check soil moisture before watering.
Prefers pieno sole: provide the right light and rotate the plant for even growth.
Recommended soil: drenante per cactacee. Refresh the substrate every 1-2 years.
Dust the leaves with a damp cloth to support photosynthesis.
Feed during the growing season (spring-summer) and stop in winter.



