Plants in genus acanthocalycium
Acanthocalycium leucanthum
Acanthocalycium leucanthum is a summer-growing cactus known for its cylindrical shape and white to pinkish flowers. This plant is native to Argentina and thrives in full sun or partial shade during the summer. It requires good drainage and very porous soil to prevent root rot. Acanthocalycium leucanthum is frost-resistant down to 14°F, making it a resilient choice for gardeners in cooler climates. Its unique appearance and adaptability make it a popular choice for cactus enthusiasts. This plant is a great option for those looking to add a touch of desert beauty to their garden.
Acanthocalycium glaucum
Acanthocalycium glaucum, also known as 'Red Tom Thumb', is a summer-dormant cactus native to Bolivia. It grows up to 6 inches tall and features a solitary, flat globular shape. This slow-growing cactus blooms in spring and summer with orange flowers and requires moderate watering. It thrives in full sun and well-drained soil but is not frost-hardy.