Plants in genus melocactus
Melocactus matanzanus
Melocactus matanzanus, known as the dwarf Turk's cap cactus, is a fast-growing, globose-shaped cactus with pinkish to magenta flowers in late spring. It requires regular watering and well-drained, sandy soil.
Melocactus concinnus
Melocactus concinnus, also known as the 'Melon Cactus,' is a dwarf tropical species from Brazil. It forms a cephalium, a specialized structure for flowers and fruit, with pink buds sprouting around it. This cactus is a fascinating addition to collections, showcasing its unique growth habit.
Melocactus curvispinus
Melocactus curvispinus is one of the rarest Cuban cactus species, characterized by its dense array of long, spreading rigid spines. It features a cephalium with long reddish-brown bristles and pink flowers. This cactus prefers very bright light and quick-draining soil, and is sensitive to cold temperatures.
Melocactus curvispinus ssp. caesius
Melocactus curvispinus ssp. caesius, or gray meloncactus, features flowers ranging from dark purple to light pink. It blooms from spring to summer and requires bright light and careful watering. This cactus is sensitive to repotting and prefers well-drained soil, making it a unique addition to collections.
Melocactus ferreophilus
Melocactus ferreophilus is a critically endangered cactus endemic to central Bahia, Brazil. It grows on limestone outcrops and features a green epidermis with white wool and reddish bristles on its cephalia. This cactus prefers porous soil and bright light, which encourages flowering and spine production. It cannot endure temperatures below 46-54°F.
Melocactus oreas
Melocactus oreas is a solitary cactus known for its strong spines and distinctive cephalium. It grows from April to October and requires a fair amount of water, allowing the soil to dry between waterings. This cactus is propagated exclusively by seeds and thrives in sunny areas, making it a unique addition to any cactus collection.
Melocactus levitestatus
Melocactus levitestatus is a solitary, globose cactus that can grow up to 30 inches tall and 12 inches in diameter. It features bright red bristles on its cephalium and red and magenta flowers. This cactus requires regular watering in summer and good drainage, thriving in USDA zones 11-12.
Melocactus azureus
The Melocactus azureus, also known as the Turk's cap cactus, is a unique cactus native to Brazil, particularly the Bahia region. It is recognized for its striking frosty blue skin and cylindrical shape with 9-10 ribs. This cactus features black to reddish spines, with some seedlings having hooked spines. It blooms with pink to magenta flowers from spring to late autumn, followed by small white to pale pink fruits. The plant thrives in bright light and well-draining soil, making it suitable for cactus enthusiasts. It is winter-dormant and can tolerate temperatures as low as 32°F. Despite its beauty, it faces threats from habitat loss due to agricultural expansion.
Melocactus conoideus
Melocactus conoideus is a cactus endemic to Brazil, known for its grey-green spherical body and magenta flowers that bloom in the afternoon. It is drought-resistant and thrives in dry savanna habitats. This cactus is slow-growing and requires full sun to light shade, making it a unique addition to any collection.
Melocactus violaceus
Melocactus violaceus, also known as Turk's cap cactus, is a spherical cactus native to Brazil. It grows up to 4 inches in diameter and is suitable for USDA Zones 11-12. This cactus requires moderate water and is propagated by seeds, thriving in full sun to partial shade.