Mammillaria Longimamma Cactus Cacti Succulent Live Plant in a 4" Pot. Mammillaria longimamma, also commonly known as ‘Finger Cactus' or 'Nipple Cactus’, is native to Mexico and belongs to the Cactaceae family. This Conic-pyramidal-shaped plant can reach up to the height of 15–30 cm and enters dormancy in winters. It is protected in its natural habitat by low shrubs and sparse vegetation, and shares the territory with other cacti species. The Mammillaria longimamma plant has a slow growth rate. This cactus blooms in spring and produces bright yellow flowers. During their active growing season from early spring to late summer, these cacti may require weekly watering. However, depending on the climate, the frequency of watering may vary. During their active growing and blooming period, Finger succulents will benefit from regular fertilizing. Mammillaria longimamma plants thrive in neutral to acidic soil with good drainage. Nipple Cactus is frost-hardy and has a frost tolerance of -5 C (23 F). It belongs to the hardiness zone of 10. These cacti prefer partial to full shade sun exposure to grow healthy and happy. They can only be grown in bright and indirect light if you live in a cooler climate. Finger plants are a very adaptable species that can be propagated using a variety of methods such as offset cuttings, seed sowing, and tubercle removal. You will find it difficult to resist these fascinating and low-maintenance plants. Mammillaria longimamma cacti are simple to grow and require little care. Add them to your collection without a doubt.