€7,95

🌱 Morphology
  A small green sphere turned into a thorny jewel: its body is almost outlined by a delicate mesh of white spines, among which stand out others that are sturdier and reddish or brown. But it holds a second surprise: when it blooms, a crown of intense pink flowers surrounds the apex like a small diadem.

It is a globose cactus, generally solitary, although it can produce offsets with age. It features numerous conical tubercles covered by fine white or yellowish radial spines and several stronger central spines, in shades from reddish to dark brown. This combination creates a particularly elegant contrast between the green of the body and the mesh of spines. It is a selection of Japanese origin related to Mammillaria discolor, known in cultivation as Ginsa Maru.

🌍 Distribution, habitat and family
It is a horticultural selection of Japanese origin related to Mammillaria discolor, a species native to Mexico, from Hidalgo to Oaxaca, where it grows in arid areas and dry scrublands. It belongs to the Cactaceae family.

❄️ Temperature — USDA Zone 9a
It tolerates minimum temperatures of up to −5 ºC if kept completely dry, well acclimated, and the exposure to cold is brief. In winter, it is especially advisable to avoid the combination of low temperatures and humidity.

☀️ Lighting
During active growth, it needs intense lighting, with a target of approximately 18–25 mol/m²/day of DLI PAR. Direct sunlight, introduced gradually, helps maintain compact growth and dense spines.

💧 Growth cycle and watering
Winter dormancy.
Growth is activated mainly from spring. During this period, abundant watering is recommended, allowing the substrate to dry out completely before watering again. In winter, it should be kept practically dry.

🌸 Flowering
It is one of its greatest attractions: it produces intense pink flowers, more striking than the flowers usually described for Mammillaria discolor, and they appear forming a crown around the apex. In Madrid, it can bloom mainly between March and May.

🌿 Nutrition
During the active growth period, a fertilizer with a high content of assimilable calcium and low levels of nitrogen is recommended, such as Desert CHOICE® Cactáceas, applied once a month when watering. Before flowering, it can be supplemented with Desert CHOICE® Floración.

This is an inimitable xerophyte cultivated in Madrid in a technological square pot and with the substrate activated with mycorrhizal fungi.

S -> 9cm x 9cm

M-> 14cm x 14 cm

* As this is an online purchase, the appearance of the sent specimen may vary slightly from the product image. The photo description specifies the plant's measurements, but this can also vary slightly, because it is a living being! Each of the plants at Desert CITY has unique characteristics.

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