Plants in genus astrophytum
Astrophytum asterias
Astrophytum asterias, native to Texas and Mexico, is a small, round, spineless cactus with a unique appearance. It features yellow flowers with red bases and green to pink oval fruits. This drought-tolerant plant thrives in sunny areas and requires porous, well-draining soil.
Astrophytum ornatum
Astrophytum ornatum, commonly known as the Star Cactus, is a striking cactus native to Mexico's Central Plateau. It is the largest species in its genus, reaching up to 6 feet in height and 12 inches in width. This cactus is notable for its white woolly flakes that protect it from the sun and its canary yellow flowers that bloom in summer. It is cold-tolerant down to 14°F and has been awarded the Royal Horticultural Society's Award of Garden Merit. The Star Cactus thrives in well-draining, sandy soil and requires direct sunlight.
Astrophytum myriostigma
Astrophytum myriostigma, also known as Bishop's Cap, is a spineless cactus with three to seven vertical ribs and whitish flocking on its stem. It grows up to 3.3 feet tall and produces creamy yellow flowers in early spring. Native to Mexico, this ornamental plant is slow-growing and thrives in well-drained cacti soil.
Astrophytum myriostigma 'Onzuka'
Astrophytum myriostigma 'Onzuka' is a cactus known for its ease of growth and unique appearance. It requires sparing water from March to October and should be kept dry in winter. This plant is hardy to short periods of cold down to 19°F and prefers light shade to full sun. Overwatering can cause the epidermis to crack, so careful watering is essential.
Astrophytum myriostigma 'Nudum Variegata'
Astrophytum myriostigma 'Nudum Variegata' is a slow-growing cactus with a star-shaped stem and yellow or orange patches or stripes. It flowers from March to October and requires minimal water, making it ideal for well-ventilated, mineral-rich soil.
Astrophytum asterias 'Superkabuto'
Astrophytum asterias 'Superkabuto' is a summer-growing cactus known for its unique appearance and slow growth. It requires careful watering, being watered sparingly from March to October and kept dry in winter. This cactus is resistant to frost if kept dry and needs a good amount of light, thriving in light shade to full sun.
Astrophytum myriostigma 'Tricostatum'
Astrophytum myriostigma 'Tricostatum', also known as Bishop's cap, is a slow-growing cactus with three distinct ribs and white flecks. It produces large yellow flowers and requires minimal water, thriving in full sun to light shade.