Mammillaria meyranii

Mammillaria meyranii is a charming and relatively easy-to-grow cactus species, part of the large Mammillaria genus known for its dense spines and lovely flowers. Native to Mexico, this species forms a small, globular to slightly cylindrical shape, often growing in clusters over time. It’s popular among collectors for its attractive symmetry and reliable blooming.

Here’s how to keep it healthy:

🌵 Mammillaria meyranii Care Guide

☀️ Light

• Prefers bright, indirect to full sun.

• Indoors: Place in a bright window (south or east-facing is best).

• Outdoors: Protect from harsh midday sun to avoid scorching.

💧 Watering

• Water thoroughly, then let the soil fully dry out.

• Spring–early fall: Water every 10–14 days (less if it’s humid).

• Winter: Reduce drastically or withhold water altogether if cool and dormant.

🌱 Soil

• Use a gritty, fast-draining cactus mix.

• Mix in pumice or perlite for extra drainage.

• Avoid any soggy or clay-heavy soils.

🌡️ Temperature

• Enjoys warm temps: 70–85°F (21–29°C) during the day.

• Can tolerate brief drops to 40°F (4°C) if dry.

• Protect from frost and excess humidity.

🍽️ Fertilizer

• Use a low-nitrogen cactus fertilizer once a month during the growing season (spring–summer).

• Stop feeding in fall and winter.

🪴 Potting & Growth

• Repot every 2–3 years in early spring.

• Usually grows as a single head but may offset into clusters.

• Flowers appear at the crown in rings, often pink

• 🌸 Flowering

• Blooms in late spring to summer.

• Provide bright light and good air circulation to encourage flowering.