Astrophytum caput-medusae Tropical Plants

Astrophytum caput-medusae – Rare Medusa Root Cactus with Yellow Blooms

Product Description:

• Scientific Name: Astrophytum caput-medusae
• Common Name: Medusa Root Cactus
• Family: Cactaceae (Cactus family)
• Growth Zones: 9–11 (indoors in colder zones)
• Mature Height: About 6 cm (2.4 inches)
• Mature Width: 5–15 cm (including arms)
• Growth Rate: Slow
• Sunlight: Partial shade; avoid direct intense sun
• Soil: Well-drained gritty soil with limestone or coarse sand
• Watering: Deep but infrequent; reduce in dormancy
• Temperature Tolerance: Thrives in 25–35°C; tolerates down to –10°C in dormancy

Key Features:

• Distinctive root caudex resembling a radish, stores water and nutrients
• Hairy, tentacle-like branches with soft fuzz covering the surface
• Funnel-shaped, pale yellow flowers bloom from spring to fall
• Rare cactus native to Nuevo León, Mexico
• Highly prized in succulent collections for its unusual form

Care Tips:

• Light: Provide bright indirect light; shade during hot midday sun
• Water: Follow “soak and dry” cycle; increase during summer growth
• Ventilation: Good airflow helps prevent rot in humid seasons
• Common Issues: Avoid root rot from overwatering; protect from intense sunlight burns
• Pests: Generally resistant but watch for mealybugs near the base

Notes:

Astrophytum caput-medusae, commonly known as the Medusa Root Cactus, is a stunning rarity among caudex succulents. With its thick, carrot-like root and snake-like fuzzy stems, it brings a dramatic, sculptural look to any plant collection. Native to the semi-arid shrublands of northeastern Mexico, it thrives with good drainage, partial shade, and moderate watering. Its yellow, fragrant flowers bloom repeatedly through the warm months. This unique cactus is perfect for collectors seeking the extraordinary. Grown best in deep pots to accommodate its root system.