How to Care for Mammillaria hahniana (Old Lady Cactus)

Korean name: 마밀라리아 하니아나

This small, round cactus is covered with white woolly hair and spines, giving it a soft appearance. It occasionally blooms small pink flowers and is easy to care for, making it suitable for beginners.

Key facts

• Category: Cactus
• Family: Cactaceae
• Difficulty: Easy
• Where to keep: indoors
• Native to: Mexico
• Growth rate: Slow
• Pets: Mildly toxic, so keep pets from chewing on it.
• Traits: beginner-friendly, drought-tolerant, flowering cactus, small size
• Also known as: Old Lady Cactus

Care Guide

• Light: Prefers bright indirect light, avoiding direct sunlight.
• Watering: Water moderately when the soil is completely dry.
• Soil: Use well-draining cactus soil.
• Humidity: Prefers dry conditions.
• Temperature: 15~30°C
• Fertilizer: Apply cactus fertilizer once a month from early spring to fall.

Common questions

How often should you water Mammillaria hahniana?

Water moderately when the soil is completely dry. Roughly every 14 days is the baseline; adjust for the season and the spot it sits in.

Where should you keep Mammillaria hahniana?

It likes Prefers bright indirect light, avoiding direct sunlight.. You can grow it indoors. Use Use well-draining cactus soil..

Is Mammillaria hahniana safe around pets?

Mildly toxic, so keep pets from chewing on it.

Is Mammillaria hahniana good for beginners?

Difficulty: Easy. It is forgiving enough for a first plant. Keep it around 15~30°C. Humidity: Prefers dry conditions.. Fertilise Apply cactus fertilizer once a month from early spring to fall..