White-woolly cactus - Mammillaria albilanataMammillaria albilanata is a small cactus from the Cactaceae family and an endemic species of southwestern... Read more
12,90 zł
Mammillaria albilanata
No. The species corresponds to USDA zones 9b–11b and, in completely dry soil, tolerates only brief temperature drops to around -4 to -5°C. In cultivation, it is best to avoid frost.
In winter, keep the plant in a bright, cool room at a temperature of a few to around ten degrees above zero, without watering or fertilizing. Slight shriveling of the stem is natural, and a cool, dry dormancy encourages abundant flowering.
The stem reaches about 15 cm in height and 8 cm in diameter, though many specimens remain smaller. It is a typical potted cactus – a small pot is sufficient, repotting every 2–3 years into one that is only slightly larger.
It grows slowly and retains a compact, globular to short-cylindrical shape for many years. Growth is greatest in full sun and well-draining soil.
The best choice is very well-draining cactus soil with at least 50% mineral material and a small amount of humus. From spring to autumn, water thoroughly, but only after the soil has dried out completely – preferably from below, as the wool and spines retain water.
During the growing season, you can apply a cactus fertilizer low in nitrogen and higher in phosphorus and potassium every few weeks. Stop fertilizing in autumn and winter.
Mammillaria albilanata is grown solely as an ornamental plant and is not intended for consumption. Because of its spines, it is best kept out of reach of small children and pets.
Yes – mature plants flower from late spring, forming a ring of small, carmine to purplish-pink flowers around the top. The keys are plenty of light in summer and cool, dry overwintering.
Full sun or at least several hours of direct sunlight per day – for example, a south-facing windowsill, balcony, or greenhouse. After winter, gradually acclimate the plant to strong sunlight.
Mammillaria albilanata is one of the most decorative small Mexican cacti, prized for its dense, chalk-white spines and abundant wool, which together make the plant look as if it were covered in snow. It belongs to the genus Mammillaria – one of the largest genera in the cactus family (Cactaceae) – and is endemic to southwestern Mexico. The species was described by Curt Backeberg, and several forms previously treated as separate species were later included within it in taxonomic works, including those by David Hunt.
The plant most often grows singly, although as it ages, it may branch at the base or from the side of the stem and form small clusters. It has a fibrous root system, without a thick storage root. The stem is spherical and somewhat flattened, becoming elongated or short-cylindrical over time, with a slightly sunken apex. It reaches about 15 cm in height and up to 8 cm in diameter, although many specimens – especially some subspecies – remain noticeably smaller.
The tubercles are gray-green, firm, short and conical, and arranged in spirals; unlike those of some mammillarias, they do not exude latex. The axils between the tubercles are densely filled with white wool and long hairs. Each areole usually bears 15–26 stiff, straight or slightly curved radial spines, 2–4 mm long and chalk-white, as well as 2–4 central spines, 2–3 mm long, white, cream or pale yellow with brownish or rusty tips. The wool and spines almost completely conceal the stem’s skin.
Several subspecies are distinguished within the species. The typical subspecies (subsp. albilanata) comes from Guerrero and has deep carmine flowers. Subsp. oaxacana from Oaxaca and Puebla is distinguished by glassy-white radial spines and longer (4–7 mm) central spines. Subsp. reppenhagenii from Colima has carmine flowers with paler edges and up to 26 radial spines, while subsp. tegelbergiana from Chiapas has purplish-pink flowers and straw-colored central spines with dark tips. Plants of the World Online, following more recent studies, treats these subspecies as synonyms of the species.
Mammillaria albilanata grows slowly. For the first few years, young plants look like small white balls that gradually gain mass and eventually elongate into short cylinders. Annual growth depends on the amount of light, the length of the growing season, and the quality of the growing medium. Growth is noticeably greater in a well-lit greenhouse or on a sunny balcony than on a shaded windowsill.
Slow growth has its advantages: the plant retains a compact, regular shape for many years and does not need frequent repotting. Changing the pot every 2–3 years is enough; choose one only slightly larger than the previous pot. An oversized pot encourages moisture to linger and the roots to rot.
Flowering usually begins in late spring. The flowers emerge from the axils of the tubercles on the older part of the stem and form a distinctive ring around the top. They are small—about 7–8 mm long, or up to 10–13 mm in some subspecies—and range in color from deep carmine to carmine pink and purplish pink. They create a striking contrast against the white spines.
After pollination, club-shaped fruits develop, ranging in color from pink to red and containing small, light brown seeds. In cacti of the genus Mammillaria, the fruits often remain on the plant for a long time, providing extra ornamental appeal.
In cultivation, the species is propagated primarily from seed. This is the most reliable way to obtain healthy, well-rooted plants. Clumping specimens can also be propagated by separating offsets, preferably in spring or summer; stem cuttings are rarely used. Abundant flowering is encouraged by a distinct, cool, dry winter dormancy.
In the wild, Mammillaria albilanata grows at elevations of about 500 to 2,400 m above sea level, in cracks in limestone rocks, on vertical cliffs, and in places with a thin layer of humus. Its habitats lie within the range of tropical deciduous forests and temperate forests. It grows alongside other cacti, including Mammillaria beneckei, Mammillaria guerreronis, Coryphantha retusa, and Ferocactus macrodiscus.
This species needs plenty of light - ideally full sun or at least several hours of direct sunlight a day. It tolerates high temperatures but cannot withstand frost. It is suited to USDA hardiness zones 9b–11b; kept in completely dry substrate, it can survive brief drops in temperature to around -4 to -5°C, but in cultivation it is better not to let temperatures fall below zero.
Excess water is the main risk factor. The substrate must be very well-draining - with at least 50% mineral material, such as gravel, pumice or expanded clay - and contain only a small amount of humus. Its dense covering of wool and spines retains water, so water the plant from below or directly onto the substrate, avoiding splashing the crown. With proper watering and good air circulation, rot is rarely a problem. Pests that may appear include spider mites, mealybugs and scale insects.
In Poland and most of Central Europe, Mammillaria albilanata is a potted plant. From late spring to early autumn, it can be kept on a sunny balcony, terrace or in a greenhouse, where it benefits from full light and daily temperature fluctuations. When moving it outdoors, gradually acclimatize the plant to direct sunlight to prevent sunburn.
During the growing season, water it thoroughly, but only once the substrate has dried out completely, and let excess water drain freely - the pot should not stand in water. Every few weeks, apply a cactus fertilizer low in nitrogen and higher in phosphorus and potassium. Excess nitrogen promotes weak, unnatural growth and weakens the spines.
In autumn, gradually reduce watering, and in winter the plant goes dormant: ideally, keep it in a bright, cool place, at a temperature of a few to around ten degrees above zero, without watering or fertilizing. Slight wrinkling of the stem during this time is natural. This cool, dry dormancy is key to abundant flowering the following season.
Its small size and slow growth make Mammillaria albilanata an ideal cactus for a sunny windowsill, a miniature collection or arrangements with other succulents in shallow bowls. Its snow-white covering contrasts beautifully with green or rust-spined species, while its spring wreath of carmine flowers provides a decorative display for several weeks.
The species is also of interest to Mammillaria collectors. Differences between subspecies in spine length and color, as well as flower shades, make it possible to build a diverse collection within a single species. In greenhouses and winter gardens, it looks attractive in groups on raised tables, where it can be admired up close.
The genus name Mammillaria comes from the Latin word mammilla, meaning “nipple,” referring to the distinctive tubercles covering the stem instead of ribs. The species epithet albilanata combines the Latin words albus (white) and lanatus (woolly), aptly describing the white wool filling the axils of the tubercles.
The species was described by German cactus researcher Curt Backeberg. Over time, it became clear that some plants described under other names - including Mammillaria reppenhagenii, Mammillaria tegelbergiana, and Mammillaria fuauxiana - belong to the same group of related species. Some taxonomists recognize them as subspecies, while others treat them as synonyms. More recent finds in the wild can differ markedly from older cultivated specimens, illustrating how variable this species is.
Mammillaria albilanata is a good choice for people starting out with cacti who have a bright, sunny windowsill or balcony. The key to success is watering sparingly and providing a cool, dry winter rest. Under these conditions, the plant is hardy and long-lived. It will also appeal to Mammillaria collectors looking for species with striking white spines, as well as fans of compact plants that do not need much space.
Mammillaria albilanata is a small, slow-growing cactus from southwestern Mexico, reaching up to 15 cm in height and 8 cm in diameter, covered in dense white wool and chalk-white spines. From late spring, it produces a ring of small flowers ranging from carmine to purplish pink. It requires full sun, very free-draining soil, and a cool, dry winter rest; it is not frost-hardy (USDA 9b–11b). The species is classified as Least Concern on the IUCN Red List, although its habitat is threatened in some areas by cattle grazing and small-scale farming.
Very Large plant choice
just I found it quite annoying that the majority was palm seeds,
not what i like the most
Snelle levering (vanuit Polen) en zaden zien er goed uit.
