Old Lady Cactus: Mammillaria Care Guide
Succulents

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

Scientific nameMammillaria hahniana
Height10-20 cm
Sunlightpieno sole
Waterbassa
Soildrenante per cactacee
Toxicitynon tossica
Growthlenta
Temperature5 a 35 °C
FloweringMar, Apr, May
IrrigationWater only when the soil is fully dry in spring and summer; stop in winter to prevent rot.

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

JanFebMarAprMayJunJulAugSepOctNovDec

Practical tips

Watering

Water needs: bassa — always check soil moisture before watering.

Position

Prefers pieno sole: provide the right light and rotate the plant for even growth.

Substrate

Recommended soil: drenante per cactacee. Refresh the substrate every 1-2 years.

Leaves

Dust the leaves with a damp cloth to support photosynthesis.

Feeding

Feed during the growing season (spring-summer) and stop in winter.

FAQ

How do you make a Mammillaria flower?
It needs full sun year-round and a cool, dry winter rest (8-12 °C, no water): this triggers the crown of pink flowers in spring.
How often do you water Mammillaria?
Little: every 10-15 days in summer and only when the soil is dry, and almost never in winter, when it should be kept completely dry.

You may also like