Synonyms:

There are not widely recognized synonyms for this plant since it is a cultivated formed form of a species within the Mammillaria genus.

Habitat:

Mammillaria lemon f. crestata has nursery origin. The Mammillaria genus is native to Mexico and south America, where usually Mammillaria species grow in arid regions and rocky, well-drained soils.

Description:

Mammillaria lemon f. crestata is a small creeping plant belonging to the Cactaceae botanical family. The plant grows in cluster and can reach up to 10 cm in diameter. The stem is cylindrical, undulating, creating sculptural growth pattern giving unique shape to each plant. This feature given by the crested mutation, may occur naturally or inducted and it is due to the irregular multiplication of apical and lateral meristems creating chaotic growth patterns. The stem is bluish green in color, thick and fleshy, made of tubercles. Each tubercle bears a cluster of spines. The radial spines range from 5-10 mm in length, the central spines are shorter and can be absent. Both spines are golden yellow to creamy white in color giving protection to the plant from UV ray. Blooming can occur during the spring and the flowers are borne around the stem in a circular way, resembling a decorative crown. The flowers are small, 1 cm in diameter, pale pink or white, and when ripe they produce small, bright red or pink, fruits.

Cultivation:

This plant is easy to care for and offers a rewarding experience, making it great for beginners. The plant benefits from bright exposure, but during the hottest periods, direct sunlight can cause scorching, so it is recommended to avoid it. The plant is sensitive to temperatures below 6°C, so it should be moved indoors in colder weather. The soil should consist of a mix of pumice, clay, and loam to ensure proper drainage and prevent root rot, to which the plant is susceptible. To facilitate excess water drainage, it is recommended to use a perforated pot. Watering plays a crucial role in the well-being of this species. During the vegetative period, it is recommended to water the plant every 7 days, ensuring that the soil is completely dry before the next watering. In winter, watering should be suspended to allow the plant to enter dormancy. Regarding fertilization, once a month application of specific succulent fertilizers from April to June is sufficient. Fertilization should be discontinued in winter. You should repot the plant every 2 years in a pot 2 cm wider. Repotting should be done early in the growing season using fresh potting soil. It is essential to be vigilant for red spiders and mealybugs, as these pests can pose a threat to the plant’s health. Regular checks and prompt intervention are advisable to keep these potential issues under control.

Propagation:

Propagation can be done by cutting, by seed or by grafting. When using cuttings, make the cut during the spring and then let it to dry for a few days; after the cut surface has dried and a formed a callus, place the cutting in a mixture of sand, soil and pumice. To increase the success of propagation you can make two or more cuttings at the same time. For cuttings it is recommended to maintain temperatures around 20 °C. Propagating the plant by seed is very simple; it is enough to sow the seed in a sandy loam soil and keep it at a high level of humidity with a temperature of 14 C°. If you sow seeds collected from your own plants, clean the seeds thoroughly and soak them in water to remove any inhibitors. Crested forms are often grafted onto a hardy rootstock to encourage faster growth and prevent root rot. Choose a healthy cactus species as the rootstock, and carefully attach the crest on top, ensuring a clean cut for both plants. Over time, the grafted plant will fuse, supporting the unique growth of the crest.

Curiosity:

The name of the genus come from the Latin word ‘Mammilla’ that means ‘teat’ or ‘nipple’ and refers to the numerous, nipple-shaped tubercles of their stem, that are the distinctive feature of this genus. These crested mutations can occur in many cactus species, but they remain unpredictable and are difficult to cultivate. The cause of cresting is not fully understood but is believed to be due to genetic mutations or damage to the plant’s growth point. In some cultures, these unique forms are considered symbols of resilience and beauty, adding to their mystique.

Official Web Site:
www.giromagi.com

Italian Blog:
www.giromagicactus.com

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