Old lady cactus
Mammillaria hahniana · Pincushion Cacti · Cactus family
Also known as: Old Lady Pincushion · Birthday Cake Cactus
Very easy10–20cmPet-friendly
Old lady cactus care at a glance
Old lady cactus (Mammillaria hahniana) needs little water and prefers to grow in full sun.
- Water need
- Low
- Light
- Full sun
- Soil moisture
- Dry
- Nutrients
- Low
- Life cycle
- Perennial
Pests, Diseases & Weather on Old lady cactus
Possible pests on Old lady cactus include Mealybugs, Root mealybugs and Spider mites. A common disease is Root rot. Old lady cactus is considered pet-friendly.
Pest
- Mealybugs Medium
- Root mealybugs Medium
- Spider mites Low
Disease
- Root rot High
Weather
- Frost damage High
A baseline from curated sources, not a command. You decide in the end.
Frequently asked questions about Old lady cactus
- Which pests affect Old lady cactus?
- Possible pests on Old lady cactus include Mealybugs, Root mealybugs and Spider mites.
- Which diseases affect Old lady cactus?
- A common disease is Root rot.
- Is Old lady cactus toxic to cats and dogs?
- Old lady cactus is considered pet-friendly and safe for cats and dogs.
- How much water does Old lady cactus need?
- Old lady cactus has a low water requirement.
- What light does Old lady cactus need?
- Old lady cactus prefers to grow in full sun. Around 6 hours of light per day is ideal.
- Is Old lady cactus frost-hardy?
- Old lady cactus is not frost-hardy. Its lower limit is around 1 °C.