Planta Livre
← Plant Library

Mammillaria hahniana · Cactaceae

Old Lady Cactus

⚠️ Not safe for petsPerennial, staying green and healthy throughout the year.10 to 30 cm
Full sunSparse watering, dry soil between waterings.EasyDoes not tolerate temperatures below 10 degrees Celsius.

Description & origin

The Old Lady Cactus is a compact succulent with dense white spines. It is ideal for indoor settings due to its low water needs and easy maintenance.

Size

Remains compact, ideal for small spaces.

Foliage

Evergreen foliage, staying green all year round.

Flowering

Blooms in spring with vibrant pink flowers.

Detailed care

Light

Prefers full sun but can tolerate some light shade.

Soil

Well-draining soil, ideally a cactus mix.

Watering

Sparse watering, allowing the soil to dry completely between waterings.

Temperature

Keep in environments above 10 degrees Celsius.

Fertilising

Fertilize once a month in spring and summer with cactus fertilizer.

Repotting

Repot every 2-3 years or when the pot is full.

Pruning

Does not require regular pruning, only removal of dead parts.

Propagation

Easily propagated by seeds or offset separation.

Common problems

Root rot

Caused by overwatering and poor drainage.

Sunburn

Excessive sun exposure can cause burns.

Mealybug infestation

Insects that suck sap, causing damage to the plant.

Uses & curiosities

In the garden

  • Rock gardens
  • Succulent gardens
  • Decorative pots

Other uses

Ideal for indoor decoration and cactus collections.

Did you know…

This species is known for its pink flowers that appear in a crown shape on top of the cactus.