Mammillaria bombycina, commonly known as the Silken Pincushion Cactus, is a compact, globular cactus characterised by its woolly white radial spines and sharp central spines, which often have a reddish-brown tint. Its tubercles are arranged in neat spirals, giving the plant a tidy and symmetrical appearance. This cactus can form small clumps over time as it produces offsets, creating a charming cluster effect. During spring and summer, Mammillaria bombycina often blooms with small, funnel-shaped flowers in shades of pink or magenta, forming a crown near the top of the plant.
This species is well-suited for indoor cultivation due to its small size and minimal care requirements. Its attractive spines and occasional floral display make it a popular choice for cactus enthusiasts. As a slow grower, it is easy to maintain and thrives with basic attention to its light and water needs.
Mammillaria bombycina is native to the mountainous regions of central Mexico, particularly in Jalisco and Zacatecas. It thrives in rocky, arid environments, where it grows in well-draining soils under bright sunlight.
Water sparingly, allowing the soil to dry out completely between watering. During the active growing season (spring and summer), water every 2–3 weeks, adjusting for temperature and light. In autumn and winter, when the cactus is dormant, reduce watering to once a month or less. Always ensure good drainage to avoid waterlogging.
This cactus prefers bright, indirect light or several hours of direct sunlight daily. Place it near a south- or west-facing window for optimal growth. Insufficient light can cause the plant to stretch or lose its compact form.
Mammillaria bombycina thrives in low humidity, typically between 30–50%. It does not require additional humidity and is perfectly suited to typical indoor conditions in the UK.
Maintain temperatures of 18–26°C during the growing season. The cactus can tolerate temperatures as low as 5°C for short periods but must be protected from frost. Avoid placing it near cold draughts or unheated windowsills during winter.
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We pride ourselves on the love and care with give our plants. Our entire team are plant obsessives at heart and so we go above and beyond to care for the plants we have in stock.
That said, plants are living beings and may differ slightly from the photo provided unless otherwise stated. Small leaf imperfections may be present and won't be compensated for.
Some plants such as Begonia may suffer slight leaf melt when shipped. This is normal and nothing to be concerned about.
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The conditions in our nursery are a minimum of 60% humidity and 19C year round.
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