‹ All plantsOld Lady Cactus
Mammillaria hahniana
Desert cactiMood Meter: Go With the Flow
Round stems are densely covered in white hair and radial spines, with rings of pink flowers near the crown.
Growth habit: globular or columnar cactus.
Plant Mood Meter: Go With the Flow
Preserve the species/cultivar's actual growth habit and category-specific care rather than flattening it into generic houseplant guidance.
Care guide
Very bright light with direct sun. Direct sun: Direct sun is strongly beneficial after gradual acclimation.
Allow the mix to dry thoroughly between deep waterings; reduce frequency during slow growth.
Very fast-draining gritty cactus mix with high mineral content.
Average dry household humidity is appropriate.
No support normally needed unless a mature column becomes unstable.
Problems Planticist can help with UnderwateringOverwatering / poor aerationRoot rot / impaired rootsExcess light / sun scorchInsufficient light (etiolation)Normal lower-leaf senescenceLow-humidity stressPest damageFertilizer / mineral salt buildup
